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List of 12-letter words containing

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There are 20 twelve-letter words containing A, E, O, S and 2Y

ARAEOSYSTYLEaraeosystyle n. (Architecture) An arrangement of columns that alternates between araeostyle and systyle.
ARAEOSYSTYLE n. a building or colonnade alternately araeostyle and systyle, also AREOSYSTILE.
CRYOHYDRATEScryohydrates n. Plural of cryohydrate.
CRYOHYDRATE n. a crystalline substance containing water and a salt in definite proportions, a eutectic crystallizing below the freezing point of water.
CYCADOPHYTEScycadophytes n. Plural of cycadophyte.
CYCADOPHYTE n. any of a division of usually unbranched mostly extinct gymnosperms.
ELEEMOSYNARYeleemosynary adj. Relating to charity, alms, or almsgiving.
eleemosynary adj. Given in charity or alms; having the nature of alms.
eleemosynary adj. Supported by charity.
ENANTIOSTYLYenantiostyly n. (Botany) The condition in which the gynoecium protrudes laterally, either to the right or to the left…
ENANTIOSTYLY n. a dimorphous condition in which the style projects at one side or the other in different flowers.
GLYCOSYLATEDglycosylated v. Simple past tense and past participle of glycosylate.
glycosylated adj. (Biochemistry) Describing a glycoside (but especially a glycoprotein) that has the sugar entity intact.
GLYCOSYLATE v. to attach sugar to proteins to make glycoproteins.
GLYCOSYLATESglycosylates v. Third-person singular simple present indicative form of glycosylate.
GLYCOSYLATE v. to attach sugar to proteins to make glycoproteins.
GYNAECOMASTYgynaecomasty n. Alternative form of gynecomastia.
gynæcomasty n. Obsolete typography of gynaecomasty.
GYNAECOMASTY n. the abnormal enlargement of a man's breast, also GYNAECOMASTIA, GYNECOMASTIA.
HYDROLYSABLEhydrolysable adj. Alternative spelling of hydrolyzable.
HYDROLYSABLE adj. that can be hydrolysed, also HYDROLYZABLE.
HYDROLYSATEShydrolysates n. Plural of hydrolysate.
HYDROLYSATE n. a product of hydrolysis, also HYDROLYZATE.
HYDROLYZATEShydrolyzates n. Plural of hydrolyzate; Alternative form of hydrolysates.
HYDROLYZATE n. a product of hydrolysis, also HYDROLYSATE.
HYDROXYLASEShydroxylases n. Plural of hydroxylase.
HYDROXYLASE n. any of a group of enzymes that catalyze oxidation reactions.
HYDROXYLATEShydroxylates v. Third-person singular simple present indicative form of hydroxylate.
HYDROXYLATE v. to introduce hydroxyl into.
HYDROXYUREAShydroxyureas n. Plural of hydroxyurea.
HYDROXYUREA n. a drug used to treat some forms of leukemia, melanoma, and malignant tumors.
HYMENOPLASTYhymenoplasty n. (Medicine) Plastic surgery affecting a woman’s hymen, usually involving reconstruction to the unbroken…
HYMENOPLASTY n. surgical reconstruction of the hymen to give the appearance of virginity, usually for religious or cultural reasons.
HYOSCYAMINEShyoscyamines n. Plural of hyoscyamine.
HYOSCYAMINE n. a drug obtained from henbane.
HYOSCYAMUSEShyoscyamuses n. Plural of hyoscyamus.
HYOSCYAMUS n. any plant of the solanaceous genus Hyoscyamus, including henbane.
LACHRYMOSELYlachrymosely adv. In a lachrymose manner.
LACHRYMOSE adv. shedding tears.
POLYSYLLABLEpolysyllable n. A word with more than two syllables. Sometimes used in a more restricted sense.
POLYSYLLABLE n. a polysyllabic word.
ZYGAPOPHYSESzygapophyses n. Plural of zygapophysis.
ZYGAPOPHYSIS n. any of the yoke-pieces or articulations of the vertebrae.

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: 95 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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