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There are 15 twelve-letter words containing 2A, C, E, O, S, T and Y

ACETYLATIONSacetylations n. Plural of acetylation.
ACETYLATION n. the act of acetylating.
AUTOCATALYSEautocatalyse v. Alternative spelling of autocatalyze.
AUTOCATALYSE v. to effect autocatalysis, also AUTOCATALYZE.
BIOCATALYSESbiocatalyses n. Plural of biocatalysis.
CARBONYLATEScarbonylates v. Third-person singular simple present indicative form of carbonylate.
CARBONYLATE v. to introduce the carbonyl group into.
CARBOXYLATEScarboxylates n. Plural of carboxylate.
CARBOXYLATE v. to introduce carboxyl or carbon dioxide into (a compound) with formation of a carboxylic acid.
CHATOYANCIESchatoyancies n. Plural of chatoyancy.
CHATOYANCY n. the quality of being chatoyant, having a changing lustre, also CHATOYANCE.
CONTRAYERVAScontrayervas n. Plural of contrayerva.
CONTRAYERVA n. a tropical American plant of the mulberry family, once believed to be an antidote to poisons.
EMASCULATORYemasculatory adj. Serving or tending to emasculate.
EMASCULATORY adj. tending to emasculate.
GYNAECOMASTSgynaecomasts n. Plural of gynaecomast.
gynæcomasts n. Plural of gynæcomast.
GYNAECOMAST n. a man suffering from gynaecomastia.
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.
GYNECOMASTIAgynecomastia n. (American spelling, medicine) Excessive development of breasts in males, resembling the breast development in women.
GYNECOMASTIA n. excessive development of the breast in the male, also GYNAECOMASTIA, GYNAECOMASTY.
SACERDOTALLYsacerdotally adv. In a sacerdotal manner, in the manner of a priest.
SACERDOTAL adv. of or relating to priests or a priesthood.
STAYCATIONERstaycationer n. A person who takes a staycation.
STYRACACEOUSstyracaceous adj. (Botany) Relating to the Styracaceae.
STYRACACEOUS adj. belonging to the storax family.
THIOCYANATESthiocyanates n. Plural of thiocyanate.
THIOCYANATE n. a salt of thiocyanic acid.

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: 76 words
  • Scrabble in French: 18 words
  • Scrabble in Spanish: 23 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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