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List of 12-letter words containing

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There are 5 twelve-letter words containing H, M, 2O, R, S and X

HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
MESOTHORAXESmesothoraxes n. Plural of mesothorax.
MESOTHORAX n. the middle segment of the thorax in insects.
MORPHOSYNTAXmorphosyntax n. (Linguistics) Morphology and syntax regarded as an interlinked unit.
morpho-syntax n. (Linguistics) The system of the internal structure of words (morphology) and the way in which words…
morpho-syntax n. (Linguistics, formal) Grammar.
THROMBOXANESthromboxanes n. Plural of thromboxane.
THROMBOXANE n. any of several compounds formed from prostaglandin endoperoxides which, when released from blood platelets, induce platelet aggregation and arterial constriction.
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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 18 words
  • Scrabble in French: no word
  • Scrabble in Spanish: 6 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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