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List of 15-letter words containing

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There are 20 fifteen-letter words containing I, N, O, 3T and Y

ANTIRATIONALITYantirationality n. The quality of being antirational.
ANTIRATIONALITY n. being opposed to rationality.
COINSTANTANEITYcoinstantaneity n. Coinstantaneousness.
COINSTANTANEITY n. the state of being coinstantaneous.
CONTEMPTIBILITYcontemptibility n. The quality of being contemptible.
CONTEMPTIBILITY n. the state of being contemptible.
CONTRACTABILITYcontractability n. The ability for something to be contracted.
CONTRACTABILITY n. the quality of being contractable.
CONTRACTIBILITYcontractibility n. The quality or degree of being contractible.
CONTRACTIBILITY n. the state of being contractible.
CYTOGENETICISTScytogeneticists n. Plural of cytogeneticist.
CYTOGENETICIST n. one who studies cytogenetics.
CYTOTAXONOMISTScytotaxonomists n. Plural of cytotaxonomist.
CYTOTAXONOMIST n. a practitioner of cytotaxonomy.
ETHNOCENTRICITYethnocentricity n. The quality of being ethnocentric.
ETHNOCENTRICITY n. the state of being ethnocentric, also ETHNOCENTRISM.
HYPOSTATISATIONHYPOSTATISATION n. the process of hypostatising, also HYPOSTATIZATION.
HYPOSTATIZATIONhypostatization n. The act or process of being hypostatized.
HYPOSTATIZATION n. the act of hypostatizing, also HYPOSTATISATION.
INSTITUTIONALLYinstitutionally adv. In an institutional manner.
institutionally adv. Throughout an institution.
INSTITUTIONAL adv. of or relating to an institution, also INSTITUTIONARY.
LITHONTHRYPTICSlithonthryptics n. Plural of lithonthryptic.
LITHONTHRYPTIC n. a medicine for dissolving kidney stones, also LITHONTRIPTIC, LITHOTRIPTIC.
SUBSTITUTIONARYsubstitutionary adj. Of or relating to substitution or replacement.
SUBSTITUTIONARY adj. relating to substitution.
SYNTHETISATIONSSYNTHETISATION n. the process of synthetising, also SYNTHETIZATION.
SYNTHETIZATIONSsynthetizations n. Plural of synthetization.
SYNTHETIZATION n. the process of synthetizing, also SYNTHETISATION.
SYSTEMATISATIONsystematisation n. (British spelling) Alternative form of systematization.
SYSTEMATISATION n. the act of systematising, also SYSTEMATIZATION.
SYSTEMATIZATIONsystematization n. The act of systematizing.
systematization n. A systematic organization.
SYSTEMATIZATION n. the act of systematizing, also SYSTEMATISATION.
THIRTYSOMETHINGthirtysomething n. A tricenarian: a person in their thirties, a person aged between 30 and 39 years (inclusive).
thirtysomething adj. Between 30 and 39 years of age.
thirtysomething adj. Between 30 and 39 in number.
TWENTYSOMETHINGtwentysomething n. A person whose age is between twenty and twenty-nine years, inclusive; someone in their twenties.
twentysomething num. Between twenty and thirty.
twenty-something num. Alternative form of twentysomething.
UNTRUSTWORTHILYuntrustworthily adv. In an untrustworthy manner.
UNTRUSTWORTHY adv. not trustworthy.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 129 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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