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There are 14 twelve-letter words containing H, M, O, P, 2R, S and T

CRYPTORCHISMcryptorchism n. The failure of one or both testes to descend into the scrotum.
CRYPTORCHISM n. a medical condition in which the testes fail to descend, also CRYPTORCHIDISM.
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.
MOTHPROOFERSmothproofers n. Plural of mothproofer.
MOTHPROOFER n. a substance that keeps away moths.
ORTHOTROPISMorthotropism n. The property of being orthotropic or orthotropous.
ORTHOTROPISM n. vertical growth.
PROTHROMBINSprothrombins n. Plural of prothrombin.
PROTHROMBIN n. a protein-like substance present in blood plasma.
PSYCHROMETERpsychrometer n. (Meteorology) Any of several instruments used to measure the relative humidity of the atmosphere; especially…
PSYCHROMETER n. an instrument for measuring the dryness of the atmosphere.
PSYCHROMETRYpsychrometry n. The measurement or study of the thermodynamic properties of moist air.
PSYCHROMETRY n. measurement by psychrometer.
RHEOTROPISMSrheotropisms n. Plural of rheotropism.
RHEOTROPISM n. the direction of growth by water.
SPHEROMETERSspherometers n. Plural of spherometer.
SPHEROMETER n. an instrument for measuring curvature.
THERIOMORPHSTHERIOMORPH n. an animal form in art.
THERMOGRAPHSthermographs n. Plural of thermograph.
THERMOGRAPH n. an instrument for recording changes in temperature.
THERMOSPHEREthermosphere n. The layer of the Earth’s atmosphere directly above the mesosphere and directly below the exosphere.
THERMOSPHERE n. the outermost layer of the atmosphere.
TRIMORPHISMStrimorphisms n. Plural of trimorphism.
TRIMORPHISM n. the property of crystallizing in three forms.

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: 54 words
  • Scrabble in French: 9 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 2 words


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