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There are 20 twelve-letter words containing I, M, N, 2O, S, T and Y

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.
ENDOSYMBIONTendosymbiont n. (Ecology) An organism that lives within the body or cells of another organism.
ENDOSYMBIONT n. an endosymbiotic organism.
ENZYMOLOGISTenzymologist n. A specialist in enzymology.
ENZYMOLOGIST n. a specialist in enzymology.
GYMNOSOPHISTgymnosophist n. One of a school of ancient Indian ascetic philosophers, reported in antiquity, who wore little clothing; a mystic.
GYMNOSOPHIST n. one of a sect of naked ascetics of ancient India, also GYMNOSOPH.
HOMOCYSTEINEhomocysteine n. (Biochemistry) An amino acid which is monitored in the blood to estimate risk of cardiovascular disease.
HOMOCYSTEINE n. a kind of amino acid.
HOMONYMITIESHOMONYMITY n. the state of being homonymous, having the same name or designation.
HYMNOLOGISTShymnologists n. Plural of hymnologist.
HYMNOLOGIST n. a student of hymnology.
MONOPHYSITESmonophysites n. Plural of monophysite.
Monophysites n. Plural of Monophysite.
MONOPHYSITE n. one believing that Christ had but a single divine nature.
MONOPHYSITICmonophysitic adj. Of or pertaining to monophysitism.
MONOPHYSITIC adj. of or like a monophysite, one believing that Christ had but a single divine nature.
MONOSYNAPTICmonosynaptic adj. (Neuroanatomy) Having, or involving a single synapse.
monosynaptic adj. (Derogatory) Stupid, lacking in brainpower.
MONOSYNAPTIC adj. having or involving a single neural synapse.
MONSTRUOSITYmonstruosity n. Obsolete form of monstrosity.
MONSTRUOSITY n. (obsolete) monstrosity.
MOTIONLESSLYmotionlessly adv. In a motionless manner; without moving.
MOTIONLESS adv. without motion.
MYOINOSITOLSmyoinositols n. Plural of myoinositol.
MYOINOSITOL n. a biologically active inositol that is a component of many phospholipids and occurs widely in plants, animals, and microorganisms.
MYTHOLOGIANSmythologians n. Plural of mythologian.
MYTHOLOGIAN n. a mythologist.
POLYTONALISMPOLYTONALISM n. the state of being polytonal, having many keys.
SOMATOTYPINGsomatotyping v. Present participle of somatotype.
SOMATOTYPE v. to place with regard to somatotype.
TONSILLOTOMYtonsillotomy n. (Surgery) The surgical procedure of cutting, or making an incision into a tonsil.
TONSILLOTOMY n. the surgical removal of the tonsils.
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.
VOLUMINOSITYvoluminosity n. Quality or degree of being voluminous.
VOLUMINOSITY n. the state of being voluminous.

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: 99 words
  • Scrabble in French: 5 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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