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There are 13 twelve-letter words containing A, C, M, O, S, 2T and Y

ASTROCYTOMASastrocytomas n. Plural of astrocytoma.
ASTROCYTOMA n. a tumour of the central nervous system.
ASYMPTOMATICasymptomatic adj. (Pathology) Not exhibiting any symptoms of disease, as for example in subclinical cases.
asymptomatic n. A patient who exhibits no symptoms of disease.
ASYMPTOMATIC adj. having, displaying or producing no symptoms.
ASYMPTOTICALasymptotical adj. Asymptotic.
ASYMPTOTICAL adj. of a line, approaching a curve but meeting it only at infinity, also ASYMPTOTIC.
CHRESTOMATHYchrestomathy n. A collection of written passages, used to learn an unfamiliar language.
chrestomathy n. A collection of choice passages from an author or authors.
CHRESTOMATHY n. a selection of passages compiled as an aid to learning a language; a volume of selected passages or stories of an author.
CRYPTOGAMISTcryptogamist n. (Dated) One skilled in cryptogamic botany.
CRYPTOGAMIST n. one who studies cryptogams.
CYCLOSTOMATEcyclostomate n. (Zoology) Any member of the Cyclostomata class of fish.
CYCLOSTOMATE adj. of or like a cyclostome.
MYCETOMATOUSmycetomatous adj. Relating to a mycetoma.
MYCETOMATOUS adj. of or like mycetoma, a chronic fungus infection.
NEMATOCYSTICNEMATOCYSTIC adj. of or like a nematocyst, a stinging cell in e.g. a jellyfish.
SPERMATOCYTEspermatocyte n. (Cytology) A male gametocyte, from which a spermatozoon develops.
SPERMATOCYTE n. a cell producing spermatozoa.
STAPEDECTOMYstapedectomy n. (Surgery) The surgical removal of the stapes of the middle ear.
STAPEDECTOMY n. the removal of the stapes and insertion of an artificial replacement to relieve deafness.
STICHOMYTHIAstichomythia n. (Poetry) A technique in drama or poetry, in which alternating lines, or half-lines, are given to alternating…
STICHOMYTHIA n. dialogue in alternate lines, also STICHOMYTHY.
THORACOSTOMYthoracostomy n. Incision into the chest wall, with maintenance of the opening for drainage.
THORACOSTOMY n. the construction of an artificial opening in the chest, usually to draw off fluid or release a buildup of air.
TRACHEOSTOMYtracheostomy n. (Surgery) A surgical procedure in which an incision is made into the trachea, through the neck, and…
TRACHEOSTOMY n. a surgical incision into the windpipe, to relieve choking, also TRACHEOTOMY.

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: 59 words
  • Scrabble in French: 6 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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