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There are 17 twelve-letter words containing A, C, E, 2O, S, T and Y

ASCOMYCETOUSascomycetous adj. (Mycology) Of or relating to the ascomycetes.
ASCOMYCETOUS adj. relating to ascomycete.
ATHROCYTOSESATHROCYTOSIS n. of a cell, having the ability to absorb and store foreign matter.
AUTOECIOUSLYautoeciously adv. In an autoecious manner.
AUTOECIOUS adv. of fungus, etc., passing through all life stages on same species of host, also AUTECIOUS.
COETANEOUSLYCOETANEOUS adv. having the same age; coeval.
COMPENSATORYcompensatory adj. (Of a payment) Intended to recompense someone who has experienced loss, suffering, or injury.
compensatory adj. Reducing or offsetting the unpleasant or unwelcome effects of something.
compensatory adj. (Genetics) That compensates for a deleterious mutation.
CONSECRATORYconsecratory adj. That consecrates.
consecratory adj. Of or pertaining to consecration.
CONSECRATORY adj. serving to consecrate, also CONSECRATIVE.
CONSERVATORYconservatory adj. Having the quality of preserving from loss, decay, or injury.
conservatory adj. (Rare) Relating to conservation.
conservatory n. (Obsolete) That which preserves from injury.
CYCLOSTOMATEcyclostomate n. (Zoology) Any member of the Cyclostomata class of fish.
CYCLOSTOMATE adj. of or like a cyclostome.
DESPOTOCRACYdespotocracy n. Government by a despot.
DESPOTOCRACY n. rulership by despots or tyrants.
MACROCYTOSESmacrocytoses n. Plural of macrocytosis.
MACROCYTOSIS n. the occurrence of macrocytes in the blood.
MYCETOMATOUSmycetomatous adj. Relating to a mycetoma.
MYCETOMATOUS adj. of or like mycetoma, a chronic fungus infection.
OCTOSYLLABLEoctosyllable n. (Poetry) line of verse with eight syllables.
OCTOSYLLABLE n. a word or line of eight syllables.
PHAGOCYTOSEDphagocytosed adj. Engulfed and ingested as a result of phagocytosis.
PHAGOCYTOSE v. to subject to phagocytic action.
PHAGOCYTOSESphagocytoses n. Plural of phagocytosis.
PHAGOCYTOSIS n. the destruction of harmful elements by phagocytes.
POLYCHAETOUSpolychaetous adj. Relating to polychaetes.
POLYCHAETOUS adj. of or like a polychaete, a type of aquatic worm, also POLYCHETOUS.
TRACHEOSCOPYtracheoscopy n. (Medicine) examination of the interior of the trachea using a tracheoscope.
TRACHEOSCOPY n. inspection of the trachea.
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: 85 words
  • Scrabble in French: 21 words
  • Scrabble in Spanish: 8 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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