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There are 18 fifteen-letter words containing E, 2I, 3O and 2T

BIOTECHNOLOGISTbiotechnologist n. A technologist who works in the field of biotechnology.
BIOTECHNOLOGIST n. one who studies biotechnology.
COOPERATIONISTSCOOPERATIONIST n. one who believes in cooperation.
CORTICOSTEROIDScorticosteroids n. Plural of corticosteroid.
CORTICOSTEROID n. any of the steroid hormones produced in the adrenal cortex, also CORTICOID.
DIAPHOTOTROPIESDIAPHOTOTROPY n. the state of being diaphototropic, turning transversely to the light.
ECOTOXICOLOGISTecotoxicologist n. One who studies ecotoxicology.
ECOTOXICOLOGIST n. a specialist in ecotoxicology.
ETHNOBIOLOGISTSethnobiologists n. Plural of ethnobiologist.
MONTMORILLONITEmontmorillonite n. (Mineralogy) Any of a group of soft, clay-like silicate minerals having many industrial and technical uses.
MONTMORILLONITE n. an alumina-rich clay mineral containing some sodium and magnesium.
NONCOMPETITIONSNONCOMPETITION n. something that is not a competition.
NONEXPLOITATIONnonexploitation n. Absence of exploitation.
NONEXPLOITATION adj. not exploitation.
ORTHOGONALITIESorthogonalities n. Plural of orthogonality.
ORTHOGONALITY n. the state of being orthogonal.
PHOTODISSOCIATEphotodissociate v. To cause, or to undergo photodissociation.
PHOTODISSOCIATE v. to effect photodissociation, dissociation produced by the absorption of radiant energy.
PHOTOEXCITATIONphotoexcitation n. (Chemistry) The formation of an excited state by the absorption of a photon.
PHOTOEXCITATION n. the process of exciting the atoms or molecules of a substance by the absorption of radiant energy.
PHOTOTOXICITIESphototoxicities n. Plural of phototoxicity.
PHOTOTOXICITY n. the state of being phototoxic.
RADIOPROTECTIONradioprotection n. Any form of protection against the harmful effects of ionizing radiation, especially caused by natural sources.
RADIOPROTECTION n. protection against the injurious effects of radiation.
RETROCOGNITIONSretrocognitions n. Plural of retrocognition.
RETROCOGNITION n. extrasensory knowledge of past events.
RETROVIROLOGISTretrovirologist n. One who studies retrovirology.
THEOLOGISATIONSTHEOLOGISATION n. the process of theologising, also THEOLOGIZATION.
THEOLOGIZATIONStheologizations n. Plural of theologization.
THEOLOGIZATION n. the process of theologizing, also THEOLOGISATION.

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: 92 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: 14 words
  • Scrabble in Italian: 44 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 119 words


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