5 Syllable Words

Published · By Syllable Hub

Five-syllable words from the CMU dictionary, grouped by first letter, with stress patterns and notes on using a single long word as a haiku line.

This page lists 2,562 five-syllable words, grouped by first letter, with stress patterns for each. Words whose dictionary pronunciations disagree on syllable count are left out and collected on a separate page. Jump to the list or to the haiku tips; for a shorter step up, try the four-syllable list.

The list, A to Z

Open a letter to see its words. The list includes rare words, plurals and verb forms such as accelerated and abominations, as well as everyday ones like university, organization, imagination, unbelievable and hippopotamus. Some letters have hundreds of words and a few have one or none.

A275 words
  • abbreviated
  • abbreviating
  • abbreviation
  • abbreviations
  • aberrational
  • abnormalities
  • abnormality
  • abolitionist
  • abolitionists
  • abominable
  • abomination
  • abominations
  • aboriginal
  • aborigine
  • aborigines
  • abortifacient
  • abortifacients
  • abracadabra
  • absenteeism
  • absolutism
  • academia
  • academically
  • academician
  • academicians
  • accelerated
  • accelerating
  • acceleration
  • accelerator
  • accelerators
  • accentuated
  • accentuating
  • accidentally
  • accommodated
  • accommodating
  • accommodation
  • accommodations
  • accommodative
  • accompanying
  • accreditation
  • accreditations
  • accumulated
  • accumulating
  • accumulation
  • accumulations
  • accumulative
  • accumulator
  • accumulators
  • accusatory
  • acetylcholine
  • aciduria
  • acrimonious
  • actuality
  • actuarial
  • adenovirus
  • adjudicated
  • adjudicating
  • adjudication
  • administering
  • administrating
  • administration
  • administrations
  • administrative
  • administrator
  • administrators
  • admonitory
  • adulterated
  • adulteration
  • adventurism
  • adversarial
  • advertorial
  • advertorials
  • aerodynamic
  • aerodynamics
  • aeronautical
  • affectionately
  • affiliated
  • affiliating
  • affiliation
  • affiliations
  • affirmatively
  • aficionado
  • aficionados
  • afterimages
  • agglomeration
  • aggressivity
  • agonizingly
  • agricultural
  • agrochemical
  • agrochemicals
  • alcoholism
  • aleatory
  • algebraically
  • algorithmic
  • alienated
  • alienating
  • alienation
  • alimentary
  • alkalinity
  • allegorical
  • alleviated
  • alleviating
  • alleviation
  • alliteration
  • alliterative
  • alphabetical
  • alphabetically
  • alphabetizes
  • alphabetizing
  • alphanumeric
  • alternatively
  • amalgamated
  • amalgamating
  • amalgamation
  • amaryllises
  • amateurism
  • ambassadorship
  • ambassadorships
  • ambiguities
  • ambiguity
  • ambulatory
  • ameliorated
  • amelioration
  • americium
  • amortization
  • amoxicillin
  • amphitheater
  • amphitheaters
  • amplification
  • amplifications
  • anachronism
  • anachronisms
  • anachronistic
  • analytical
  • analytically
  • analyzable
  • anaphylaxis
  • anatomical
  • anatomically
  • anecdotally
  • anemometer
  • anencephalic
  • anencephaly
  • angioplasty
  • angiotensin
  • animosities
  • animosity
  • annihilated
  • annihilating
  • annihilation
  • anniversaries
  • anniversary
  • anonymity
  • anonymously
  • anorexia
  • antagonism
  • antagonisms
  • antagonistic
  • antagonizing
  • anthropocentric
  • anthropogenic
  • anthropologist
  • anthropologists
  • anthropology
  • anthropomorphic
  • antiabortion
  • antibiotic
  • antibiotics
  • anticipated
  • anticipating
  • anticipation
  • anticipations
  • anticlimactic
  • anticommunist
  • anticorruption
  • antidepressant
  • antidepressants
  • antigovernment
  • antihistamine
  • antihistamines
  • antioxidant
  • antioxidants
  • antipersonnel
  • antipoverty
  • antisubmarine
  • antitakeover
  • antithetical
  • aphrodisiac
  • apocalyptic
  • apolitical
  • apologetic
  • apologises
  • apologising
  • apologizes
  • apologizing
  • apothecary
  • apotheosis
  • apparatuses
  • appendectomies
  • appendectomy
  • appendicitis
  • appreciated
  • appreciating
  • appreciation
  • appropriated
  • appropriately
  • appropriateness
  • appropriating
  • appropriation
  • appropriations
  • appropriator
  • appropriators
  • approximated
  • approximately
  • approximating
  • approximation
  • approximations
  • arbitrarily
  • arbitrariness
  • archaeologist
  • archaeologists
  • archaeology
  • archeology
  • archipelago
  • architectural
  • argumentation
  • argumentative
  • aristocracy
  • aristocratic
  • articulated
  • articulating
  • articulation
  • artificially
  • artiodactyl
  • artiodactyls
  • asphyxiated
  • asphyxiating
  • assassinated
  • assassinating
  • assassination
  • assassinations
  • assemblywoman
  • assimilated
  • assimilating
  • assimilation
  • associated
  • associating
  • association
  • associations
  • astigmatism
  • astonishingly
  • astrological
  • astronautical
  • astronomical
  • astronomically
  • astrophysicist
  • asymmetrical
  • asymptomatic
  • athleticism
  • attenuated
  • attenuation
  • attitudinal
  • attributable
  • auditorium
  • auditoriums
  • authenticated
  • authenticating
  • authentication
  • authentications
  • authenticity
  • authoritative
  • authorization
  • authorizations
  • automatically
  • autonomously
  • axiomatic

Back to letters

B31 words
  • baccalaureate
  • balkanization
  • basophilia
  • behaviorally
  • beneficially
  • benevolences
  • bibliographic
  • bibliographies
  • bibliography
  • bicentenary
  • bicentennial
  • bidirectional
  • bilaterally
  • bilingualism
  • biochemical
  • biochemistry
  • bioengineer
  • bioengineered
  • biographical
  • biological
  • biologically
  • biologicals
  • biomedical
  • biosciences
  • biostatistics
  • biosynthesis
  • bipartisanship
  • bougainvillea
  • bradycardia
  • braggadocio
  • brutalization

Back to letters

C242 words
  • cafeteria
  • cafeterias
  • camaraderie
  • cannibalism
  • cannibalizing
  • canonization
  • capabilities
  • capability
  • capitalism
  • capitalistic
  • capitalizes
  • capitalizing
  • capitulated
  • capitulation
  • carboniferous
  • carcinogenic
  • cardiologist
  • cardiologists
  • cardiology
  • caricaturist
  • categorical
  • categorically
  • categorizes
  • categorizing
  • cauterization
  • celebratory
  • centenarian
  • centenarians
  • centralization
  • cephalosporin
  • ceremonial
  • certification
  • certifications
  • characteristic
  • characteristics
  • characterizes
  • characterizing
  • chemotherapy
  • cholestyramine
  • choreographer
  • choreographers
  • choreographic
  • choreographing
  • choreography
  • chromatography
  • chronological
  • chronologically
  • circularizing
  • circulatory
  • circumnavigate
  • circumstantially
  • civilization
  • civilizations
  • clarification
  • clarifications
  • classifiable
  • classification
  • classifications
  • claustrophobia
  • climatologist
  • climatologists
  • coagulating
  • coagulation
  • codification
  • cogeneration
  • cogenerator
  • cogenerators
  • cohabitation
  • coincidences
  • coincidental
  • collaborated
  • collaborating
  • collaboration
  • collaborations
  • collaborator
  • collaborators
  • collateralize
  • collateralized
  • collectivism
  • colonialist
  • colonialists
  • colonization
  • coloratura
  • colorization
  • commemorated
  • commemorating
  • commemoration
  • commemorations
  • commensurately
  • commercialism
  • commercializing
  • commiserating
  • commonalities
  • commonality
  • commonsensical
  • communicable
  • communicated
  • communicating
  • communication
  • communications
  • communicative
  • communicator
  • communicators
  • communization
  • comparatively
  • compartmentalize
  • compartmentalized
  • compassionately
  • compensatory
  • competitively
  • competitiveness
  • complimentary
  • compositional
  • comprehensible
  • comprehensively
  • computational
  • computerizing
  • concatenated
  • concatenating
  • concatenation
  • conceptualizes
  • conceptually
  • concessionary
  • conciliation
  • conciliator
  • concomitantly
  • condominium
  • condominiums
  • conductivity
  • confabulation
  • confectionaries
  • confectionary
  • confectionery
  • confederation
  • confidentially
  • configuration
  • configurations
  • confirmatory
  • confiscatory
  • conformational
  • confrontational
  • conglomeration
  • congratulated
  • congratulating
  • congratulation
  • congratulations
  • congregational
  • connectivity
  • connotational
  • conscientiously
  • consecutively
  • conservationist
  • conservationists
  • conservatism
  • conservatively
  • conservatories
  • conservatorship
  • conservatory
  • considerable
  • considerably
  • consideration
  • considerations
  • consolidated
  • consolidating
  • consolidation
  • consolidations
  • consolidator
  • consolidators
  • conspicuously
  • constabulary
  • constituencies
  • constituency
  • constitutional
  • consumerism
  • contaminated
  • contaminating
  • contamination
  • contemporaries
  • contemporary
  • continentally
  • continuances
  • continuation
  • continuity
  • continuously
  • contractionary
  • contractually
  • contradictory
  • contributory
  • conventionally
  • conversational
  • cooperating
  • cooperative
  • cooperatively
  • coordinated
  • coordinating
  • coordination
  • coordinator
  • coordinators
  • copyrightable
  • cornucopia
  • corporatism
  • correspondingly
  • corroborated
  • corroborating
  • corroboration
  • corticosteroid
  • corticosteroids
  • cosmetology
  • cosmopolitan
  • counterattacking
  • counterbalances
  • counterbalancing
  • countercultural
  • counteroffensive
  • counteroffensives
  • counterproductive
  • counterproposal
  • counterproposals
  • counterterrorist
  • counterterrorists
  • creationism
  • creativity
  • credibility
  • creditworthiness
  • crematoria
  • crematorium
  • criminalistics
  • criminality
  • criminalizing
  • criminologist
  • criminologists
  • criminology
  • criticality
  • crystallographer
  • crystallography
  • culpability
  • cumulatively
  • curatorial
  • curiosities
  • curiosity
  • customarily
  • cyclicality

Back to letters

D190 words
  • deactivated
  • debilitated
  • debilitating
  • decaffeinated
  • decaffeinating
  • decaffeination
  • decapitated
  • decapitation
  • decapitations
  • decelerated
  • decelerating
  • deceleration
  • decentralizing
  • declaratory
  • decommissioning
  • decomposition
  • decontaminate
  • decriminalize
  • defamatory
  • defenestration
  • defibrillator
  • defibrillators
  • definitively
  • deflationary
  • deforestation
  • degeneracy
  • degenerated
  • degenerating
  • degeneration
  • degenerative
  • dehumanizing
  • dehumidified
  • dehumidifies
  • dehumidify
  • deification
  • deleterious
  • deliberated
  • deliberating
  • deliberation
  • deliberations
  • delicatessen
  • delicatessens
  • delineated
  • delineating
  • delineation
  • demagoguery
  • demilitarize
  • demilitarized
  • demobilizes
  • demobilizing
  • democratically
  • democratizes
  • democratizing
  • demodulated
  • demodulation
  • demographically
  • demonization
  • demoralizing
  • denationalize
  • denationalized
  • denominated
  • denomination
  • denominations
  • denominator
  • densitometer
  • denuclearized
  • denunciation
  • denunciations
  • deontology
  • departmentalize
  • departmentalized
  • depilatory
  • depopulation
  • depositary
  • depositional
  • depository
  • depreciated
  • depreciating
  • depreciation
  • depreciations
  • depressurizes
  • depressurizing
  • deregulated
  • deregulating
  • deregulation
  • dermatologist
  • dermatologists
  • dermatology
  • derogatory
  • desalination
  • desegregated
  • desegregation
  • desensitizing
  • desiderata
  • destabilizing
  • deteriorate
  • deteriorates
  • determinable
  • determination
  • determinations
  • determinative
  • determinism
  • deterministic
  • detoxication
  • devaluated
  • devaluation
  • devaluations
  • devastatingly
  • developable
  • developmental
  • diabolical
  • diacritical
  • diagonally
  • diagrammatic
  • dialectical
  • diamagnetic
  • diastrophism
  • dictatorial
  • differentiate
  • differentiates
  • dilapidated
  • diplomatically
  • directorial
  • disabilities
  • disability
  • disadvantageous
  • disagreeable
  • disallowances
  • disappearances
  • disappointingly
  • disassociate
  • disciplinary
  • discoloration
  • discolorations
  • discombobulate
  • discombobulates
  • discontentedly
  • discontentedness
  • discontinuance
  • discontinuing
  • discretionary
  • discriminated
  • discriminating
  • discrimination
  • discriminative
  • disembarkation
  • disenfranchisement
  • disestablishment
  • dishonorable
  • disillusioning
  • disillusionment
  • disinclination
  • disinformation
  • disingenuous
  • disintegrated
  • disintegrating
  • disintegration
  • disobedience
  • disobedient
  • disoriented
  • disorienting
  • disparagingly
  • dispassionately
  • disproportionate
  • disqualifying
  • disreputable
  • dissatisfaction
  • disseminated
  • disseminating
  • dissemination
  • dissociation
  • distinguishable
  • distributorship
  • distributorships
  • diversifying
  • diversionary
  • diverticula
  • diverticulum
  • divertimento
  • documentaries
  • documentary
  • documentation
  • domesticated
  • domesticating
  • domestication
  • domesticity
  • dramatization
  • dramatizations
  • durability
  • dynamometer

Back to letters

E196 words
  • eccentricities
  • eccentricity
  • ecclesiastic
  • echolocation
  • ecological
  • ecologically
  • econometric
  • econometrics
  • economical
  • economically
  • economizes
  • economizing
  • ecumenical
  • edification
  • editorial
  • editorials
  • educational
  • egomaniac
  • egotistical
  • elaborated
  • elaborating
  • elaboration
  • elasticity
  • electioneering
  • electricity
  • electrifying
  • electrocuted
  • electrocution
  • electrocutions
  • electrolysis
  • electrolytic
  • electromagnet
  • electromagnets
  • electroplating
  • electrostatic
  • eliminated
  • eliminating
  • elimination
  • eliminations
  • elucidated
  • elucidative
  • emaciated
  • emaciating
  • emancipated
  • emancipating
  • emancipation
  • emancipations
  • emasculated
  • embarcadero
  • embarrassingly
  • embryology
  • empiricism
  • emulsifier
  • emulsifying
  • encapsulated
  • encapsulating
  • encephalitis
  • encyclopedic
  • encyclopedist
  • endometrial
  • endothelial
  • energetically
  • enterococcus
  • enthusiasm
  • enthusiasms
  • enthusiastic
  • entomologist
  • entomologists
  • entomology
  • entrepreneurship
  • enumerated
  • enumeration
  • enunciated
  • enunciating
  • environmental
  • epicurean
  • epigenetic
  • epigrammatic
  • epistolary
  • epitomizes
  • equalization
  • equanimity
  • equatorial
  • equiangular
  • equilibria
  • equilibrium
  • equivalency
  • equivocating
  • equivocation
  • eradicable
  • eradicated
  • eradicating
  • eradication
  • ergonomically
  • eroticism
  • erroneously
  • erythropoietin
  • esophageal
  • ethnocentrism
  • etiologies
  • etiology
  • etymology
  • euphemistically
  • evacuated
  • evacuating
  • evacuation
  • evacuations
  • evaluated
  • evaluating
  • evaluation
  • evaluations
  • evangelical
  • evangelism
  • evangelistic
  • evaporated
  • evaporating
  • evaporation
  • evaporator
  • evenhandedly
  • eviscerated
  • exacerbated
  • exacerbating
  • exacerbation
  • exacerbations
  • exaggerated
  • exaggerating
  • exaggeration
  • exaggerations
  • examination
  • examinations
  • exasperated
  • exasperating
  • exasperation
  • exclusionary
  • exclusivity
  • excommunicate
  • excoriated
  • excoriating
  • excoriation
  • excruciating
  • exculpatory
  • executioner
  • executioners
  • exemplifying
  • exercisable
  • exfoliation
  • exhibitionist
  • exhibitionists
  • exhilarated
  • exhilarating
  • exhilaration
  • exonerated
  • exonerating
  • exoneration
  • exoskeleton
  • expansionary
  • expansionism
  • expatriation
  • expediency
  • expeditiously
  • experiences
  • experiencing
  • experiential
  • experimental
  • experimented
  • experimenter
  • experimenters
  • experimenting
  • expiratory
  • explanatory
  • exploratory
  • exponentially
  • expressionism
  • expressionistic
  • expressivity
  • expropriated
  • expropriation
  • expropriations
  • extenuating
  • exterminated
  • exterminating
  • extermination
  • exterminator
  • exterminators
  • extracellular
  • extragalactic
  • extramarital
  • extraneously
  • extraordinaire
  • extrapolated
  • extrapolating
  • extrapolation
  • extrasensory
  • extravagantly
  • extravaganza
  • extravaganzas

Back to letters

F29 words
  • facilitated
  • facilitating
  • facilitation
  • facilitator
  • facilitators
  • factionalism
  • fallibility
  • falsification
  • familiarity
  • fanaticism
  • favoritism
  • feasibility
  • femininity
  • ferromagnetic
  • fertilization
  • fiduciaries
  • fiduciary
  • figuratively
  • filibustering
  • flammability
  • flexibility
  • formalization
  • fortification
  • fortifications
  • fossiliferous
  • functionality
  • fundamentalist
  • fundamentalists
  • fundamentally

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G38 words
  • gametangia
  • gasification
  • gastrovascular
  • genealogy
  • generalities
  • generality
  • generational
  • generosity
  • geniality
  • gentrification
  • geochemistry
  • geographical
  • geological
  • geomagnetic
  • geometrical
  • geometrically
  • geophysical
  • geopolitics
  • geotropism
  • geriatrician
  • geriatricians
  • gerontologist
  • gerontology
  • gerrymandering
  • globalization
  • glorification
  • goniometer
  • governmentally
  • gradualism
  • gratification
  • gratuitously
  • gravitational
  • gravitationally
  • gullibility
  • gynecologic
  • gynecologist
  • gynecologists
  • gynecology

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H74 words
  • haberdashery
  • hagiography
  • hallucinated
  • hallucinating
  • hallucination
  • hallucinations
  • halogenated
  • harmoniously
  • harmonization
  • hematology
  • hemocyanin
  • hemodynamic
  • hemodynamics
  • hemophilia
  • hemophiliacs
  • hereditary
  • hermaphroditic
  • heterocercal
  • heterodoxy
  • heterogeneous
  • heterosporous
  • heterotrophic
  • heterozygous
  • hexachlorophene
  • hilariously
  • hippopotamus
  • homeopathic
  • homeopathy
  • homeostasis
  • homeostatic
  • homogeneous
  • homophobia
  • homosexual
  • homosexuals
  • honoraria
  • honorarium
  • honorariums
  • hooliganism
  • horizontally
  • horticultural
  • horticulturist
  • hospitality
  • humidifier
  • humidifiers
  • humiliated
  • humiliating
  • humiliation
  • humiliations
  • hybridization
  • hydrocephalic
  • hydrocephalus
  • hydrocortisone
  • hydroelectric
  • hydrogenated
  • hydrogenating
  • hydrogenation
  • hydrotherapy
  • hyperborean
  • hypercritical
  • hyperinflation
  • hyperkinetic
  • hyperopia
  • hypersensitive
  • hypochondria
  • hypochondriac
  • hypocritical
  • hypoglycemic
  • hypothalamic
  • hypothalamus
  • hypothermia
  • hypothetical
  • hypothetically
  • hysterectomies
  • hysterectomy

Back to letters

I359 words
  • iconoclasm
  • iconoclastic
  • iconography
  • idealistic
  • identifier
  • identifiers
  • identifying
  • ideologies
  • ideologist
  • ideologists
  • ideology
  • idiomatic
  • idiopathic
  • idiotically
  • ignominious
  • illegalities
  • illegality
  • illegitimate
  • illiquidity
  • illiteracy
  • illuminated
  • illuminating
  • illumination
  • illuminator
  • illusionary
  • illusionism
  • imaginable
  • imaginary
  • imagination
  • imaginations
  • imaginative
  • immaculately
  • immaterial
  • immaturity
  • immeasurable
  • immeasurably
  • immediacy
  • immediately
  • immemorial
  • immobility
  • immobilizing
  • immorality
  • immortality
  • immortalizes
  • immortalizing
  • immunization
  • immunizations
  • immunologist
  • immunology
  • impenetrable
  • imperceptible
  • imperceptibly
  • imperialist
  • imperialists
  • impermissible
  • impersonated
  • impersonating
  • impersonation
  • impersonator
  • impersonators
  • implementation
  • implementations
  • imponderable
  • imponderables
  • impracticable
  • impresario
  • impressionable
  • impressionism
  • impressionistic
  • improprieties
  • impropriety
  • improvisation
  • improvisations
  • inability
  • inaccessible
  • inaccuracies
  • inaccuracy
  • inaccurately
  • inactivated
  • inactivation
  • inactivity
  • inadequacies
  • inadequacy
  • inadequately
  • inadmissible
  • inadmissibly
  • inadvertently
  • inadvisable
  • inalienable
  • inapplicable
  • inappropriate
  • inarticulate
  • inaugurated
  • inaugurating
  • inauguration
  • inaugurations
  • incalculable
  • incantatory
  • incapacitate
  • incapacity
  • incarcerated
  • incarcerating
  • incarceration
  • incendiary
  • incinerated
  • incinerating
  • incineration
  • incinerator
  • incinerators
  • incivility
  • incoherently
  • incomparable
  • incomparably
  • incompatible
  • incompetency
  • incompetently
  • incompressible
  • inconceivable
  • inconclusively
  • incongruity
  • incongruously
  • inconsequential
  • inconsistencies
  • inconsistency
  • inconveniences
  • incorporated
  • incorporating
  • incorporation
  • incorporations
  • incorrigible
  • incredulity
  • incrementally
  • incriminating
  • incrimination
  • indecisiveness
  • indefeasible
  • indefensible
  • indefinable
  • indefinitely
  • indemnifying
  • independently
  • indescribable
  • indestructible
  • indeterminate
  • indigenously
  • indiscriminate
  • indispensable
  • indisputable
  • indisputably
  • individual
  • individuals
  • indivisible
  • indoctrinated
  • indoctrination
  • indomitable
  • industrialist
  • industrialists
  • industrialize
  • industrialized
  • industrially
  • inebriated
  • inebriating
  • ineffectiveness
  • ineffectual
  • inefficiencies
  • inefficiency
  • inefficiently
  • ineligible
  • inequalities
  • inequality
  • inequitable
  • inescapable
  • inescapably
  • inevitable
  • inevitably
  • inexcusable
  • inexcusably
  • inexhaustible
  • inexorable
  • inexorably
  • inexpensively
  • inexperience
  • inexperienced
  • inexplicable
  • inexplicably
  • inextricable
  • inextricably
  • infatuated
  • infatuating
  • infatuation
  • infertility
  • infidelities
  • infidelity
  • inflammatory
  • inflationary
  • informality
  • informational
  • infuriated
  • infuriating
  • ingenuity
  • ingratiating
  • inhabitation
  • inheritable
  • inhibitory
  • inhospitable
  • inhumanity
  • inimitable
  • initiated
  • initiating
  • initiation
  • initiator
  • initiators
  • innumerable
  • inoculated
  • inoculation
  • inoculations
  • inoperable
  • inoperative
  • inordinately
  • insectivorous
  • insecurities
  • insecurity
  • insemination
  • inseparable
  • inseparably
  • insignificance
  • insignificant
  • insinuated
  • insinuating
  • insinuation
  • insinuations
  • inspirational
  • instabilities
  • instability
  • instantaneous
  • instantiated
  • instantiating
  • instantiation
  • institutional
  • instrumentalist
  • instrumentalists
  • instrumentation
  • insubordinate
  • insufferable
  • insufficiency
  • insufficiently
  • insularity
  • insupportable
  • insurmountable
  • intellectual
  • intellectuals
  • intelligently
  • intelligible
  • intelligibly
  • intensifying
  • intentionally
  • interagency
  • intercellular
  • interchangeable
  • interchangeably
  • intercollegiate
  • intercompany
  • interconnected
  • interconnection
  • interconnections
  • intercultural
  • interdependence
  • interdependent
  • interestingly
  • interlocutor
  • interlocutors
  • intermediate
  • intermediates
  • interminable
  • interminably
  • intermittently
  • international
  • internationals
  • interpersonal
  • interpolated
  • interpolation
  • interpolations
  • interpretation
  • interpretations
  • interprovincial
  • interrelated
  • interrogated
  • interrogating
  • interrogation
  • interrogations
  • interrogator
  • interrogators
  • interruptible
  • interscholastic
  • interventionist
  • interventionists
  • intimidated
  • intimidating
  • intimidation
  • intolerable
  • intolerably
  • intoxicated
  • intoxicating
  • intoxication
  • intracellular
  • intracompany
  • intracranial
  • intraocular
  • intraspecific
  • intrauterine
  • intravenously
  • intrepidity
  • introductory
  • intuitively
  • invalidated
  • invalidating
  • invalidation
  • invariable
  • invariably
  • investigated
  • investigating
  • investigation
  • investigations
  • investigative
  • investigator
  • investigators
  • invigorated
  • invigorating
  • inviolable
  • invitational
  • involuntary
  • invulnerable
  • ionization
  • ionospheric
  • irradiated
  • irradiation
  • irredentism
  • irrefutable
  • irregularly
  • irrelevancy
  • irreparable
  • irreparably
  • irreplaceable
  • irrepressible
  • irresistible
  • irresistibly
  • irresponsible
  • irresponsibly
  • irretrievably
  • irreversible
  • irreversibly
  • irrevocable
  • irrevocably
  • isocyanate
  • isolationist
  • isolationists
  • isomorphism
  • itineraries
  • itinerary

Back to letters

J10 words
  • janitorial
  • judiciary
  • jurisdictional
  • jurisprudential
  • justifiable
  • justifiably
  • justification
  • justifications
  • juxtaposition
  • juxtapositions

Back to letters

K4 words
  • keratotomy
  • kleptomaniac
  • kremlinologist
  • kremlinologists

Back to letters

L27 words
  • laboriously
  • lackadaisical
  • lactobacillus
  • laryngoscopy
  • latitudinal
  • legalization
  • legibility
  • legislatively
  • legitimacy
  • legitimately
  • legitimizes
  • legitimizing
  • lesbianism
  • lexicographer
  • lexicographers
  • liabilities
  • liability
  • liberalism
  • liberality
  • liberalizes
  • liberalizing
  • libertarian
  • libertarians
  • localization
  • lollapalooza
  • lollapaloozas
  • longitudinal

Back to letters

M160 words
  • macadamia
  • magisterial
  • magnetization
  • magnetometer
  • magnetometers
  • magnification
  • magnifications
  • magnificently
  • managerial
  • maneuverable
  • manifestation
  • manifestations
  • manipulated
  • manipulating
  • manipulation
  • manipulations
  • manipulative
  • manipulator
  • manipulators
  • manufacturer
  • manufacturers
  • manufacturing
  • maquiladora
  • maquiladoras
  • marginalizes
  • marginalizing
  • masculinity
  • materialist
  • materialize
  • materialized
  • materially
  • mathematical
  • mathematician
  • mathematicians
  • matriculated
  • matriculating
  • matrilineal
  • matrimonial
  • maximization
  • mechanization
  • medicinally
  • mediocrity
  • megalopolis
  • melodramatic
  • memorabilia
  • memorialize
  • memorialized
  • mercantilism
  • meritocracy
  • meritorious
  • metabolism
  • metabolisms
  • metallurgical
  • metamorphosis
  • metaphorical
  • metaphorically
  • metaphysical
  • methamphetamine
  • methodologies
  • methodology
  • meticulously
  • metropolitan
  • metropolitans
  • microbreweries
  • microbrewery
  • microcomputer
  • microcomputers
  • micromanagement
  • micromanages
  • micromanaging
  • microprocessor
  • microprocessors
  • microscopically
  • microwavable
  • militarily
  • militarism
  • militaristic
  • mineralogist
  • mineralogy
  • minicomputer
  • minicomputers
  • minimalism
  • ministerial
  • miraculously
  • misallocated
  • misallocating
  • misallocation
  • misapplication
  • misapprehension
  • misappropriate
  • misappropriates
  • miscalculated
  • miscalculation
  • miscalculations
  • miscellaneous
  • mischaracterize
  • mischaracterized
  • miscibility
  • misdiagnoses
  • misdiagnosis
  • misidentified
  • misidentifies
  • misidentify
  • misinformation
  • misinterpreted
  • misinterpreting
  • misrepresented
  • misrepresenting
  • misunderstanding
  • misunderstandings
  • mitochondria
  • mitochondrial
  • mitochondrion
  • mobilization
  • mobilizations
  • modernization
  • modification
  • modifications
  • momentarily
  • monasticism
  • monetarily
  • monetarism
  • monochromatic
  • mononuclear
  • monopolistic
  • monopolizes
  • monopolizing
  • monosaccharide
  • monotheism
  • monumentally
  • moratoria
  • moratorium
  • moratoriums
  • morphogenesis
  • morphological
  • motivational
  • mulligatawny
  • multicultural
  • multiemployer
  • multifaceted
  • multifunctional
  • multilateral
  • multimedia
  • multimillionaire
  • multimillionaires
  • multinational
  • multinationals
  • multiplication
  • multiplicity
  • multiprocessor
  • multivariate
  • multivitamin
  • mummification
  • musicality
  • musicologist
  • mutualism
  • mutuality
  • myocardial
  • myocardium
  • mythological

Back to letters

N67 words
  • nationalism
  • nationalities
  • nationality
  • navigational
  • necessarily
  • necessitated
  • necessitating
  • negativism
  • negativity
  • negotiated
  • negotiating
  • negotiation
  • negotiations
  • negotiator
  • negotiators
  • neoclassical
  • neoliberal
  • neoliberals
  • neurasthenia
  • neurological
  • neuroscientist
  • neurosurgery
  • neutralization
  • nickelodeon
  • nitrocellulose
  • nitroglycerin
  • nitroglycerine
  • nomenclatural
  • nonacademic
  • nonalcoholic
  • nonautomotive
  • noncompetitive
  • nonconformity
  • noncontroversial
  • nonconvertible
  • noncumulative
  • nondeductible
  • noneconomic
  • nonelectrical
  • nonemergency
  • nonexecutive
  • nongovernmental
  • noninterference
  • nonintervention
  • nonmilitary
  • nonnegotiable
  • nonoperating
  • nonpolitical
  • nonprofessional
  • nonprofessionals
  • nonrefundable
  • nonregulated
  • nonrenewable
  • nonresidential
  • nonsectarian
  • nontraditional
  • nontransferable
  • nonutility
  • normalization
  • notification
  • notifications
  • notoriety
  • notoriously
  • nullification
  • numerology
  • nymphomaniac
  • nymphomaniacs

Back to letters

O97 words
  • obituaries
  • obituary
  • objectionable
  • objectivity
  • obligatory
  • obliterated
  • obliterating
  • obliteration
  • observational
  • observatories
  • observatory
  • obstructionism
  • occupational
  • oceanographer
  • oceanographic
  • oceanography
  • officiated
  • officiating
  • oleaginous
  • oligopoly
  • ontological
  • operational
  • ophthalmologist
  • ophthalmologists
  • ophthalmology
  • opinionated
  • opportunism
  • opportunistic
  • opportunities
  • opportunity
  • optimization
  • oratorical
  • oratorio
  • ordinarily
  • organisation
  • organisations
  • organization
  • organizations
  • orientated
  • orientation
  • orientations
  • originated
  • originating
  • origination
  • originations
  • originator
  • originators
  • ornamentally
  • ornamentation
  • ornithology
  • orthodontia
  • oscillatory
  • ossification
  • ostentatiously
  • osteopathic
  • outmaneuvering
  • overabundance
  • overambitious
  • overconfidence
  • overconfident
  • overconsumption
  • overdependence
  • overdependent
  • overemphasize
  • overemphasized
  • overestimate
  • overestimates
  • overexcited
  • overexciting
  • overexpansion
  • overexposes
  • overexposing
  • overexposure
  • overextended
  • overextending
  • overgenerous
  • overpopulate
  • overpopulates
  • overproducing
  • overproduction
  • overprotected
  • overprotection
  • overprotective
  • overqualified
  • overreacted
  • overreacting
  • overreaction
  • overregulate
  • overregulates
  • overreliance
  • oversensitive
  • overshadowing
  • oversimplified
  • oversimplify
  • overwhelmingly
  • overzealously
  • oxygenated

Back to letters

P225 words
  • pacification
  • pandemonium
  • paradoxical
  • parallelism
  • paramagnetic
  • paramecium
  • paraphernalia
  • paraplegia
  • parenthetical
  • parimutuel
  • parkinsonism
  • parliamentary
  • parsimonious
  • partiality
  • participated
  • participating
  • participation
  • participations
  • participative
  • particularly
  • pasteurization
  • pastoralism
  • paternalism
  • paternalistic
  • pathogenesis
  • pathological
  • pathologically
  • patrilineal
  • patriotism
  • pecuniary
  • pedagogical
  • pediatrician
  • pediatricians
  • penitentiaries
  • penitentiary
  • percutaneous
  • perennially
  • perfectionism
  • periodical
  • periodicals
  • periodontal
  • peripatetic
  • peritoneal
  • perpendicular
  • perpetually
  • perpetuated
  • perpetuating
  • perpetuation
  • perpetuity
  • personalities
  • personality
  • personalizes
  • personalizing
  • personifying
  • petrochemical
  • petrochemicals
  • pharisaism
  • pharmaceutical
  • pharmaceuticals
  • pharmacologist
  • pharmacologists
  • pharmacology
  • phenomenally
  • philosophical
  • phonological
  • photochemical
  • photoconductive
  • photocopier
  • photocopiers
  • photocopying
  • photodynamic
  • photoelectric
  • photofinisher
  • photofinishers
  • photofinishing
  • photojournalist
  • photosynthesis
  • photovoltaic
  • photovoltaics
  • phraseology
  • physiologic
  • physiologist
  • physiology
  • pituitary
  • planetarium
  • plausibility
  • pleomorphism
  • polarimeter
  • polarization
  • polarography
  • policyholder
  • policyholders
  • politicizing
  • polyethylene
  • polymerizes
  • polymorphism
  • polynomial
  • polynomials
  • polyolefin
  • polypropylene
  • polysaccharide
  • polysaccharides
  • polysyllabic
  • polytheism
  • polytheistic
  • polyurethane
  • pontificated
  • pontificating
  • pontification
  • pontifications
  • popularity
  • popularizer
  • popularizing
  • portability
  • positivism
  • possibilities
  • possibility
  • postmodernism
  • postoperative
  • postretirement
  • practicality
  • preadolescence
  • preadolescent
  • precariously
  • precautionary
  • precipitated
  • precipitating
  • precipitation
  • precipitously
  • predestination
  • predisposition
  • predispositions
  • predominantly
  • predominated
  • predominately
  • predominating
  • prefabricated
  • prefabrication
  • preferentially
  • prekindergarten
  • preliminaries
  • preliminary
  • premeditated
  • premeditation
  • premonitory
  • preoccupation
  • preoccupations
  • preoperative
  • presbyterian
  • preservationist
  • preservationists
  • presidentially
  • pressurization
  • presupposition
  • prevaricated
  • prevaricating
  • prevarication
  • primitivistic
  • principalities
  • principality
  • prioritizes
  • prioritizing
  • privatization
  • privatizations
  • probabilistic
  • probabilities
  • probability
  • probationary
  • problematical
  • procrastinated
  • procrastinating
  • procrastination
  • procrastinator
  • procrastinators
  • productivity
  • professionalize
  • professionalized
  • professorial
  • prognosticated
  • prognosticating
  • prognostication
  • prognostications
  • prognosticative
  • progressivity
  • prohibitively
  • prohibitory
  • proletarian
  • proletariat
  • proliferated
  • proliferating
  • proliferation
  • promiscuity
  • pronunciation
  • pronunciations
  • propagandistic
  • proportionately
  • proprietaries
  • proprietary
  • proprietorship
  • proprietorships
  • prosecutable
  • proselytizing
  • prostatectomy
  • protectionism
  • protohistory
  • prototypical
  • protuberances
  • provincialism
  • provocatively
  • pseudopodial
  • psychoanalyst
  • psychodynamic
  • psychokinesis
  • psychological
  • psychologically
  • psychosomatic
  • psychotherapist
  • psychotherapists
  • psychotherapy
  • punctuality
  • purification
  • puritanical
  • puritanism
  • puritanisms
  • pusillanimous

Back to letters

Q7 words
  • qualification
  • qualifications
  • qualitatively
  • quantifiable
  • quantification
  • quantitatively
  • quintessentially

Back to letters

R182 words
  • radicalism
  • radioactive
  • radiographic
  • radiography
  • radiologist
  • radiologists
  • radiology
  • ramification
  • ramifications
  • ratification
  • rationality
  • rationalizing
  • reactionaries
  • reactionary
  • reactivated
  • reactivating
  • reactivity
  • readability
  • reaffirmation
  • realistically
  • realizable
  • reallocated
  • reallocating
  • reallocation
  • reanalyzes
  • reanalyzing
  • reapportionment
  • reassurances
  • reassuringly
  • reauthorizing
  • reawakening
  • rebelliousness
  • recalculated
  • recalculating
  • recalculation
  • recapitalize
  • recapitalized
  • recapitulate
  • recapitulates
  • receptivity
  • recertifying
  • recessionary
  • recidivism
  • reciprocated
  • reciprocating
  • reciprocity
  • reclassifying
  • recognizable
  • recognizably
  • recombination
  • recommendation
  • recommendations
  • reconfirmation
  • reconsidering
  • reconstituted
  • reconstituting
  • recoverable
  • recreational
  • recrimination
  • recriminations
  • rectification
  • recuperated
  • recuperating
  • recuperation
  • recuperative
  • redecorated
  • redecorating
  • redecoration
  • rededication
  • redefinition
  • redevelopment
  • rediscovering
  • redistributed
  • redistributing
  • redistribution
  • redistributive
  • reeducation
  • reengineering
  • reestablishing
  • reevaluate
  • reexamining
  • reflexivity
  • reforestation
  • reformatories
  • reformatory
  • reformulated
  • refrigerated
  • refrigeration
  • refrigerator
  • refrigerators
  • regenerated
  • regenerating
  • regeneration
  • regimentation
  • regularity
  • regulatory
  • rehabilitate
  • reimposition
  • reincarnated
  • reincarnation
  • reincorporate
  • reinstituted
  • reinstituting
  • reintegrated
  • reintegration
  • reinterpreted
  • reinterpreting
  • reintroduces
  • reintroducing
  • reintroduction
  • reinvigorate
  • reiterated
  • reiterating
  • reiteration
  • rejuvenated
  • rejuvenating
  • rejuvenation
  • relativism
  • relativistic
  • relativity
  • remanufacture
  • remanufactured
  • remediation
  • reminiscences
  • remuneration
  • remunerative
  • renationalize
  • renegotiate
  • renominated
  • renomination
  • renunciation
  • reorganizes
  • reorganizing
  • reorientate
  • repatriated
  • repatriating
  • repatriation
  • reportorial
  • repositioning
  • repositories
  • repository
  • reprehensible
  • representation
  • representations
  • representative
  • representatives
  • repudiated
  • repudiating
  • repudiation
  • reregulation
  • reservationist
  • reservationists
  • respiratory
  • resuscitated
  • resuscitating
  • resuscitation
  • retaliated
  • retaliating
  • retaliation
  • retaliatory
  • retroactively
  • retrospectively
  • retroviruses
  • revaluation
  • revelatory
  • reverberated
  • reverberating
  • reverberation
  • reverberations
  • revisionism
  • revitalizing
  • revolutionist
  • revolutionists
  • revolutionize
  • revolutionized
  • rheumatologist
  • rheumatology
  • ridiculously
  • ritualistic
  • romanticism
  • romanticizing
  • rudimentary

Back to letters

S119 words
  • sanctification
  • sanctimonious
  • satisfactorily
  • scatological
  • schizophrenia
  • seasonality
  • secondarily
  • secretarial
  • secretariat
  • secularism
  • securitizing
  • sedimentary
  • sedimentation
  • segregationist
  • segregationists
  • seismological
  • selectivity
  • semiannual
  • semicircular
  • semiclassical
  • semiconductor
  • semiconductors
  • semifinalist
  • semifinalists
  • seminarian
  • seminarians
  • semipermanent
  • semireligious
  • semitropical
  • senatorial
  • sensationalist
  • sensationalize
  • sensationalized
  • sensibilities
  • sensibility
  • sensitivities
  • sensitivity
  • sensuality
  • separatism
  • serendipitous
  • serendipity
  • serological
  • significantly
  • similarities
  • similarity
  • simplification
  • simultaneous
  • singularity
  • sinusoidally
  • situational
  • socialization
  • sociologist
  • sociologists
  • sociology
  • solicitation
  • solicitations
  • solidarity
  • solidifying
  • solitariness
  • solubility
  • somatotropin
  • sophisticated
  • sophistication
  • speciality
  • specialization
  • specification
  • specifications
  • specificity
  • spectacularly
  • spiritualist
  • spiritualists
  • spiritually
  • spontaneity
  • spontaneously
  • stabilization
  • standardization
  • staphylococcus
  • statutorily
  • stereographic
  • stereotactic
  • stereotyping
  • sterilization
  • sterilizations
  • stochastically
  • stockbrokerages
  • stratification
  • subcutaneous
  • subjectivity
  • subliminally
  • subordinated
  • subordinating
  • subordination
  • subsidiaries
  • subsidiary
  • subsidization
  • substantiated
  • substantiation
  • subterranean
  • suitability
  • supercilious
  • supercollider
  • supercomputer
  • supercomputers
  • superconducting
  • superconductive
  • superconductor
  • superconductors
  • superficially
  • superintendent
  • superintendents
  • supernatural
  • superregional
  • supervisory
  • supranational
  • surreptitiously
  • synchronicity
  • synchronization
  • synonymously
  • systematically

Back to letters

T52 words
  • tachycardia
  • tantalizingly
  • technicalities
  • technicality
  • technological
  • telecommuter
  • telecommuters
  • telecommuting
  • teleconferencing
  • telemarketer
  • telemarketers
  • telemarketing
  • teleology
  • televangelist
  • televangelists
  • temperamentally
  • temporarily
  • tensiometer
  • terminology
  • territorial
  • testamentary
  • testimonial
  • testimonials
  • thanatology
  • theologian
  • theological
  • theologically
  • theoretical
  • theoretician
  • theoreticians
  • thermodynamic
  • thermodynamics
  • thermonuclear
  • tonsillectomies
  • tonsillectomy
  • topological
  • toxicologist
  • toxicologists
  • toxicology
  • traceabilities
  • traceability
  • traditionalist
  • transcontinental
  • transformational
  • transoceanic
  • triangulation
  • triviality
  • trivializes
  • trivializing
  • tuberculosis
  • typographical
  • tyrannosaurus

Back to letters

U142 words
  • ultraviolet
  • unabashedly
  • unacceptable
  • unacceptably
  • unaccompanied
  • unaccountable
  • unaccountably
  • unaccredited
  • unaffordable
  • unallocated
  • unalterable
  • unalterably
  • unambiguous
  • unanimity
  • unanimously
  • unanswerable
  • unappetizing
  • unapproachable
  • unashamedly
  • unassailable
  • unattainable
  • unavailable
  • unavoidable
  • unavoidably
  • unbelievable
  • unbelievably
  • uncapitalized
  • uncollectible
  • uncomfortable
  • uncomfortably
  • uncompensated
  • uncompetitive
  • uncomplicated
  • uncompromising
  • unconditional
  • unconscionable
  • uncontradicted
  • uncontrollable
  • uncontrollably
  • uncontroversial
  • unconventional
  • undemocratic
  • undeniable
  • undeniably
  • underachiever
  • underachievers
  • underdeveloped
  • underemployment
  • underestimate
  • underestimates
  • undergraduate
  • undergraduates
  • underreported
  • underreporting
  • understandable
  • understandably
  • underutilize
  • underutilized
  • undervaluing
  • undesirable
  • undetectable
  • undiplomatic
  • undistributed
  • undocumented
  • uneconomic
  • uneducated
  • unelectable
  • unemotional
  • unemployable
  • unenforceable
  • unenviable
  • unequivocal
  • unexpectedly
  • unexplainable
  • unfashionable
  • unfathomable
  • unfavorable
  • unfavorably
  • unforeseeable
  • unforgettable
  • unforgivable
  • unfortunately
  • ungovernable
  • unicellular
  • unidentified
  • unification
  • uniformity
  • unilateral
  • unimpeachable
  • uninformative
  • uninhabited
  • uninhibited
  • uninsurable
  • unintentional
  • uninterrupted
  • unionization
  • unitarian
  • universally
  • universities
  • university
  • unmanageable
  • unmentionable
  • unmistakable
  • unmistakably
  • unmitigated
  • unnecessary
  • unobtainable
  • unofficially
  • unpalatable
  • unpatriotic
  • unprecedented
  • unpredictable
  • unpredictably
  • unprofessional
  • unprofitable
  • unquestionable
  • unquestionably
  • unreality
  • unreasonably
  • unreconstructed
  • unregulated
  • unreliable
  • unremarkable
  • unrepresented
  • unsanitary
  • unsatisfying
  • unsaturated
  • unscientific
  • unseasonably
  • unsentimental
  • unserviceable
  • unsolicited
  • unspectacular
  • unsuccessfully
  • unsupportable
  • unsurprisingly
  • unsustainable
  • unsympathetic
  • untraditional
  • urbanization
  • urinalysis
  • utilization

Back to letters

V34 words
  • valedictory
  • vaporization
  • vegetarian
  • vegetarians
  • verifiable
  • verification
  • versatility
  • viability
  • vicariously
  • victimization
  • videocassette
  • videocassettes
  • videoconference
  • videographer
  • videophile
  • videotaping
  • vigilantism
  • vilification
  • virological
  • virtuosity
  • visibility
  • visualization
  • vituperative
  • vocabulary
  • vociferated
  • vociferating
  • vociferously
  • volatility
  • volcanologist
  • volcanologists
  • voluntarily
  • voluntarism
  • volunteerism
  • vulgarization

Back to letters

W1 words
  • westernization

Back to letters

X1 words
  • xenophobia

Back to letters

Print full list opens every letter; it is a long document. Each letter also has a button to print that letter only.

Where the stress falls

The dictionary marks each vowel sound with 1 for main stress, 2 for a lighter secondary stress and 0 for unstressed. Reading the digits left to right gives one pattern per word. The table shows the largest groups among words with a single listed pattern.

Most common stress patterns among words in this list that have a single listed pattern (1 primary, 2 secondary, 0 unstressed)
Stress patternWordsExamples
2-0-1-0-0811aberrational, abnormalities, abnormality, abolitionist, abolitionists, aboriginal
0-1-0-2-0431abbreviated, abbreviating, accelerated, accelerating, accelerator, accelerators
2-0-0-1-0277abracadabra, academician, aerodynamic, aerodynamics, alienation, alphanumeric
0-2-0-1-0220abbreviation, abbreviations, abomination, abominations, abortifacient, abortifacients
0-1-0-0-0137abominable, accompanying, affectionately, affirmatively, alternatively, anonymously
1-0-0-2-086aleatory, alienated, alienating, alphabetizes, alphabetizing, ambulatory

Stress matters when you fit a long word into a poem. Two five-syllable words can have the same count and still sound different at the end of a line, one landing on a strong beat and the other trailing off. Read the word aloud before you commit it to a line. The same patterns work for syllable-clapping or sorting exercises in a classroom: clap each word and group words that share a pattern.

Using a five-syllable word in a haiku

Many English haiku follow a 5-7-5 syllable pattern (Japanese haiku count sound units, not syllables, and English poets often loosen the rule), so a word like unidentified can fill the first line by itself. Here is an original example written for this page:

Unidentified
light over the winter field
slowly it goes dark

The first line is the single word un-i-den-ti-fied. Paste the three lines into the haiku checker to see the count for each line. For how haiku lines and the cutting word work, see the haiku format guide.

Hanging scroll of a handwritten haiku exchange in flowing black ink on pale paper, with a red seal at lower left
A haiku exchange written on kaishi paper, attributed to Matsuo Bashō. The Metropolitan Museum of Art, CC0, via Wikimedia Commons.
  1. Use it at the start or the end. One word fills a 5-syllable first or third line on its own, so the middle line carries the image.
  2. Let it stand alone. If the word is the whole line, any other words go on the next line, not beside it.
  3. Watch endings. Adding -ed to a word ending in t or d usually adds a syllable (accelerate has four, accelerated has five), but after other sounds it usually doesn’t (walk and walked both have one). Plural -s sometimes adds a syllable and sometimes doesn’t. Search the list for the exact form you plan to use.
  4. Test the whole poem. The haiku checker counts each line and flags words it cannot find.

If a word you want is missing, it may have two valid counts, as every does. To count a word by ear, see how to count syllables.

How the list is made

The words come from the CMU Pronouncing Dictionary, which was created by the Speech Group at Carnegie Mellon University. It writes each word as a string of sounds, and each vowel sound carries a stress mark of 0, 1 or 2. Counting the vowel sounds gives the syllables, and a word is listed here only if every pronunciation in the dictionary has exactly five of them. The pronunciations are North American English, so another accent may count some words differently.

The list is also trimmed to lowercase words found in a Scrabble-style word list, which removes most names and odd entries, and a profanity blocklist is applied. To check a word that is not here, use the syllable counter. Data credits are on the about page.