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There are 18 twelve-letter words containing I, M, 2O, R, S, T and Y

AMYOTROPHIESamyotrophies n. Plural of amyotrophy.
AMYOTROPHY n. atrophy of the muscles.
BIOASTRONOMYbioastronomy n. Synonym of astrobiology.
BIOASTRONOMY n. the branch of biology which deals with the study or the discovery of life forms on other planets or in space.
CYMOTRICHOUScymotrichous adj. (Anthropology) Having wavy hair.
CYMOTRICHOUS adj. having wavy hair.
EMBRYOLOGISTembryologist n. An expert or specialist in embryology.
EMBRYOLOGIST n. a specialist in embryology.
EMBRYOTOMIESembryotomies n. Plural of embryotomy.
EMBRYOTOMY n. the cutting a fetus into pieces within the womb, so as to effect its removal.
HYDROTROPISMhydrotropism n. (Biology) The movement of a plant (or other organism) in response to water, either towards or away from water.
HYDROTROPISM n. growth in the direction of water.
MACROCYTOSISmacrocytosis n. The presence of macrocytes in the blood.
MACROCYTOSIS n. the occurrence of macrocytes in the blood.
MONSTRUOSITYmonstruosity n. Obsolete form of monstrosity.
MONSTRUOSITY n. (obsolete) monstrosity.
MOTORCYCLISTmotorcyclist n. Someone who rides a motorcycle.
MOTORCYCLIST n. one who rides a motorcycle.
MYTHOLOGISERmythologiser n. Alternative form of mythologizer.
MYTHOLOGISER n. one who mythologises, also MYTHOLOGIZER.
PITYROSPORUMPityrosporum prop.n. Former name of Malassezia (“fungus genus”).
PITYROSPORUM n. a yeastlike fungus which can cause pityriasis.
POLYAMORISTSpolyamorists n. Plural of polyamorist.
POLYCROTISMSPOLYCROTISM n. the state of having several beats to each heartbeat.
THROMBOLYSISthrombolysis n. The breaking down of blood clots by pharmacological or other means.
THROMBOLYSIS n. the breaking up of a blood clot.
TROGLODYTISMtroglodytism n. The practice of living in caves or cavelike environments.
troglodytism n. (Derogatory) The state or quality of being considered coarse, ignorant, uncultured, or unprogressive.
TROGLODYTISM n. the practice of living in caves.
TROPOMYOSINStropomyosins n. Plural of tropomyosin.
TROPOMYOSIN n. a filamentous protein which controls the interaction of actin and myosin in muscle fibres.
TRYPANOSOMICtrypanosomic adj. Of or pertaining to a trypanosome.
TRYPANOSOMIC adj. of or like a trypanosome, also TRYPANOSOMAL.
ZOOCHEMISTRYzoochemistry n. Animal chemistry; particularly, the description of the chemical compounds entering into the composition…
zoöchemistry n. Archaic spelling of zoochemistry.
ZOOCHEMISTRY n. the chemistry of the animal body.

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: 89 words
  • Scrabble in French: 8 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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