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There are 17 twelve-letter words containing H, M, 2O, P, 2R and S

CHROMOPHORESchromophores n. Plural of chromophore.
CHROMOPHORE n. the group of atoms in a chemical compound responsible for its colour.
CHROMOSPHEREchromosphere n. (Astronomy) The faint pink extension of a star’s atmospheric envelope between the corona and the photosphere.
CHROMOSPHERE n. the region of the atmosphere of a star between the star's photosphere and its corona.
COSMOGRAPHERcosmographer n. (Astrophysics) A scientist specializing in understanding and describing the nature of the universe.
cosmographer n. (Obsolete) Someone who describes the world; a geographer or anthropologist.
COSMOGRAPHER n. a student of cosmography.
ERGATOMORPHSERGATOMORPH n. an ergatoid ant.
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.
MONOGRAPHERSmonographers n. Plural of monographer.
MONOGRAPHER n. one who writes monographs.
MOTHPROOFERSmothproofers n. Plural of mothproofer.
MOTHPROOFER n. a substance that keeps away moths.
NOMOGRAPHERSnomographers n. Plural of nomographer.
NOMOGRAPHER n. a writer of laws.
ORTHOTROPISMorthotropism n. The property of being orthotropic or orthotropous.
ORTHOTROPISM n. vertical growth.
PARAMORPHOUSparamorphous adj. (Mineralogy) Relating to, or exhibiting, paramorphism.
PARAMORPHOUS adj. of or like a paramorph.
PERIMORPHOUSperimorphous adj. Perimorphic.
PERIMORPHOUS adj. like a perimorph, also PERIMORPHIC.
PROCHRONISMSprochronisms n. Plural of prochronism.
PROCHRONISM n. assigning a date to an event earlier than actual.
PROTHROMBINSprothrombins n. Plural of prothrombin.
PROTHROMBIN n. a protein-like substance present in blood plasma.
RHEOMORPHISMrheomorphism n. (Geology) The liquefaction of rock, and subsequent flowing and intrusion into surrounding rocks.
RHEOMORPHISM n. the liquefaction of rock, which results in its flowing and intruding into surrounding rocks.
RHEOTROPISMSrheotropisms n. Plural of rheotropism.
RHEOTROPISM n. the direction of growth by water.
THERIOMORPHSTHERIOMORPH n. an animal form in art.
XEROMORPHOUSxeromorphous adj. Xeromorphic.
XEROMORPHOUS adj. of parts of a plant, protected against excessive loss of water by thick cuticles, coatings of hairs and similar structural features, also XEROMORPHIC.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 72 words
  • Scrabble in French: 8 words
  • Scrabble in Spanish: 8 words
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 6 words


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