Six Syllable Words

Six syllable words like re-spon-si-bil-i-ty and per-son-i-fi-ca-tion are mostly academic or technical terms. They usually combine a root word with two or more suffixes.

Most common six syllable words

  • responsibility
  • identification
  • revolutionary
  • simultaneously
  • responsibilities
  • availability
  • rehabilitation
  • reliability
  • accountability
  • humanitarian
  • organizational
  • evolutionary
  • ideological
  • sustainability
  • eligibility
  • reconciliation
  • municipality
  • vulnerability
  • archaeological
  • cardiovascular
  • unconstitutional
  • municipalities
  • autobiography
  • authoritarian
  • compatibility
  • superiority
  • electromagnetic
  • spirituality
  • physiological
  • characterization
  • encyclopedia
  • accessibility
  • profitability
  • differentiation
  • ecclesiastical
  • biodiversity
  • experimentation
  • discriminatory
  • beneficiaries
  • environmentally
  • deterioration
  • biotechnology
  • extraordinarily
  • unnecessarily
  • entrepreneurial
  • professionalism
  • underestimated
  • imperialism
  • variability
  • beneficiary
  • identifiable
  • deteriorated
  • originality
  • colonialism
  • reorganization
  • irregularities
  • disproportionately
  • differentiated
  • gastrointestinal
  • sociological
  • deteriorating
  • enthusiastically
  • microbiology
  • cinematography
  • coincidentally
  • gubernatorial
  • vulnerabilities
  • diversification
  • meteorology
  • revolutionaries
  • totalitarian
  • paramilitary
  • intermediary
  • incomprehensible
  • stereotypical
  • indistinguishable
  • geopolitical
  • intercontinental
  • unimaginable
  • institutionalized
  • microorganisms
  • capitalization
  • disqualification
  • participatory
  • constitutionally
  • extraterrestrial
  • susceptibility
  • anthropological
  • hospitalization
  • incapacitated
  • reunification
  • psychoanalysis
  • egalitarian
  • macroeconomic
  • materialism
  • unsatisfactory
  • utilitarian
  • genealogical
  • impossibility
  • methodological
  • inappropriately
  • nanotechnology
  • experimentally
  • electrification
  • ideologically
  • extracurricular
  • materialistic
  • osteoporosis
  • commercialization
  • indiscriminately
  • misrepresentation
  • unincorporated
  • inferiority
  • rehabilitated
  • intermediaries
  • differentiating
  • invisibility
  • idiosyncratic
  • archeological
  • audiovisual

More six syllable words

  • environmentalist
  • fundamentalism
  • meteorologist
  • permeability
  • pharmacological
  • applicability
  • impartiality
  • involuntarily
  • instantaneously
  • antibacterial
  • epistemology
  • revitalization
  • cinematographer
  • electrochemical
  • expeditionary
  • radiological
  • unsubstantiated
  • decentralization
  • adaptability
  • hyperactivity
  • characteristically
  • predictability
  • biodegradable
  • contemporaneous
  • liberalization
  • categorization
  • historiography
  • interplanetary
  • personification
  • psychoanalytic
  • respectability
  • undersecretary
  • unintelligible
  • encyclopaedia
  • excommunicated
  • intensification
  • sentimentality
  • paleontology
  • unapologetic
  • atherosclerosis
  • decontamination
  • democratization
  • endocrinology
  • immunotherapy
  • irritability
  • osteoarthritis
  • overestimated
  • unaffiliated
  • unrecognizable
  • mesothelioma
  • acidification
  • congratulatory
  • developmentally
  • peculiarities
  • phenomenology
  • endometriosis
  • unanticipated
  • valedictorian
  • overpopulation
  • unambiguously
  • uninhabitable
  • excommunication
  • intelligentsia
  • uninitiated
  • acetaminophen
  • administratively
  • disorientation
  • hypoglycemia
  • irreconcilable
  • misinterpretation
  • representational
  • republicanism
  • encephalopathy
  • eventuality
  • unadulterated
  • desirability
  • insensitivity
  • insubordination
  • marginalization
  • proportionality
  • reconsideration
  • religiosity
  • uncooperative
  • counterintelligence
  • discontinuation
  • infinitesimal
  • acceptability
  • unpopularity
  • aromatherapy
  • physiologically
  • rehabilitating
  • evidentiary
  • hallucinogenic
  • misappropriation
  • piezoelectric
  • unjustifiable
  • revolutionizing
  • detoxification
  • spiritualism
  • unappreciated
  • uncharacteristic
  • sectarianism
  • unsophisticated
  • conspiratorial
  • electrophoresis
  • idiosyncrasies
  • accelerometer
  • bioengineering
  • dependability
  • immunological
  • indefatigable
  • irrationality
  • isolationism
  • unimaginative
  • counterinsurgency
  • criminalization
  • investigatory
  • semiautomatic
  • paleontologist
  • sensationalism
  • destabilization
  • internationalist
  • reinterpretation
  • angiogenesis
  • peculiarity
  • uncoordinated
  • conceptualization
  • indemnification
  • microelectronics
  • nonproliferation
  • psychopathology
  • invincibility
  • autobiographies
  • bibliographical
  • excruciatingly
  • gynecological
  • incontrovertible
  • materiality
  • paramilitaries
  • reclassification
  • endocrinologist
  • etymological
  • benzodiazepine
  • infallibility
  • dimensionality
  • reinvigorated
  • microbiologist
  • rehabilitative
  • anticipatory
  • disciplinarian
Syllable counts come from the CMU Pronouncing Dictionary (American English). Words with more than one common pronunciation count are left out of these lists.