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There are 18 twelve-letter words containing M, 3O, P, R, S and T

MISOPROSTOLSSorry, definition not available.
MONOPTEROSESMONOPTEROS n. a building with single ring of columns supporting a roof.
MONOSTROPHESmonostrophes n. Plural of monostrophe.
MONOSTROPHE n. a poem in which all the stanzas or strophes are written in the same metre.
MONOSTROPHICmonostrophic adj. Of or pertaining to monostrophe.
monostrophic n. A monostrophe.
MONOSTROPHIC adj. having the same strophic or stanzaic structure throughout.
MORPHOLOGISTmorphologist n. A person who studies morphology.
MORPHOLOGIST n. a student of morphology.
MOSSTROOPERSmosstroopers n. Plural of mosstrooper.
moss-troopers n. Plural of moss-trooper.
MOSSTROOPER n. (historical) a 17th century border raider.
MOTHPROOFERSmothproofers n. Plural of mothproofer.
MOTHPROOFER n. a substance that keeps away moths.
OMMATOPHORESommatophores n. Plural of ommatophore.
OMMATOPHORE n. an eyestalk, as in snails.
ORTHOTROPISMorthotropism n. The property of being orthotropic or orthotropous.
ORTHOTROPISM n. vertical growth.
OVERPROMOTESoverpromotes v. Third-person singular simple present indicative form of overpromote.
OVERPROMOTE v. to promote excessively.
PHOTOBOMBERSphotobombers n. Plural of photobomber.
PHOTOTROPISMphototropism n. (Biology) The movement of a plant towards or away from light.
PHOTOTROPISM n. movement directed by light.
PROMONTORIESpromontories n. Plural of promontory.
PROMONTORY n. a high point of land or rock projecting into a body of water.
PROTOPHLOEMSprotophloems n. Plural of protophloem.
PROTOPHLOEM n. the first-formed phloem that develops from procambium, usually associated with a region of rapid growth.
SOMATOTROPICsomatotropic adj. (Physiology) That stimulates body growth.
SOMATOTROPIC adj. promoting bodily growth, also SOMATOTROPHIC.
SOMATOTROPINsomatotropin n. (Biology, medicine) Synonym of growth hormone.
SOMATOTROPIN n. a polypeptide growth hormone, also SOMATOTROPHIN, SOMATOTROPINE.
SPERMATOZOONspermatozoon n. (Cytology) A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.
spermatozoön n. Alternative spelling of spermatozoon.
SPERMATOZOON n. a male sexual cell, which fertilises the egg, also SPERMATOZOAN.
TROPOMYOSINStropomyosins n. Plural of tropomyosin.
TROPOMYOSIN n. a filamentous protein which controls the interaction of actin and myosin in muscle fibres.

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: 87 words
  • Scrabble in French: 12 words
  • Scrabble in Spanish: 31 words
  • Scrabble in Italian: 32 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 30 words


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