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There are 20 fifteen-letter words containing A, H, 2I, N, O, T and U

ALUMINOTHERMIESALUMINOTHERMY n. a process for reducing metallic oxides using finely divided aluminium powder.
AUTHENTICATIONSauthentications n. Plural of authentication.
AUTHENTICATION n. the act of authenticating.
AUTOSCHEDIAZINGAUTOSCHEDIAZE v. to improvise.
DEHUMANISATIONSdehumanisations n. Plural of dehumanisation.
DEHUMANISATION n. the process of dehumanising, also DEHUMANIZATION.
DEHUMANIZATIONSdehumanizations n. Plural of dehumanization.
DEHUMANIZATION n. the act of dehumanizing, also DEHUMANISATION.
EUTROPHICATIONSeutrophications n. Plural of eutrophication.
EUTROPHICATION n. the process of becoming eutrophic.
HALLUCINATIONALhallucinational adj. Relating to hallucination.
HALLUCINATIONAL adj. of the nature of a hallucination.
HONOURABILITIEShonourabilities n. Plural of honourability.
HONOURABILITY n. the quality of being honourable, also HONORABILITY.
HUMIDIFICATIONShumidifications n. Plural of humidification.
HUMIDIFICATION n. the act of humidifying.
ICHTHYOSAURIANSichthyosaurians n. Plural of ichthyosaurian.
ICHTHYOSAURIAN n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURUS.
IMMUNOTHERAPIESimmunotherapies n. Plural of immunotherapy.
IMMUNOTHERAPY n. the treatment or prevention of disease by taking measures to increase immune system functioning.
IMPOSTHUMATIONSimposthumations n. Plural of imposthumation.
IMPOSTHUMATION n. the act of forming an imposthume, an abscess, also IMPOSTUMATION.
INTERBEHAVIOURSinterbehaviours n. Plural of interbehaviour.
INTERBEHAVIOUR n. interaction between multiple individuals, also INTERBEHAVIOR.
REAUTHORISATIONreauthorisation n. Alternative form of reauthorization.
REAUTHORISATION n. the process of reauthorising, also REAUTHORIZATION.
REAUTHORIZATIONreauthorization n. A second or subsequent authorization.
reauthorization n. A renewal of an authorization.
REAUTHORIZATION n. the process of reauthorizing, also REAUTHORISATION.
REHUMANIZATIONSrehumanizations n. Plural of rehumanization.
SULPHURISATIONSSULPHURISATION n. the process of sulphurising, also SULPHURIZATION.
SULPHURIZATIONSsulphurizations n. Plural of sulphurization.
SULPHURIZATION n. the process of sulphurizing, also SULPHURISATION.
UNAUTHORITATIVEunauthoritative adj. Not authoritative.
UNAUTHORITATIVE adj. not authoritative.
UNSOPHISTICATEDunsophisticated adj. Not sophisticated; lacking sophistication.
UNSOPHISTICATED adj. not sophisticated.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 185 words
  • Scrabble in French: 37 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: 32 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 54 words


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