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There are 7 twelve-letter words containing H, I, 2M, O, R, S and U

AUTOMORPHISMautomorphism n. (Algebra) An isomorphism of a mathematical object or system of objects onto itself.
automorphism n. The ascription to others of one’s own characteristics.
AUTOMORPHISM n. ascription to others of one's own characteristics.
HARMONIUMISTharmoniumist n. Someone who plays a harmonium.
HARMONIUMIST n. one who plays the harmonium.
HOMOIOMEROUShomoiomerous adj. Alternative form of homoeomerous.
HOMOIOMEROUS adj. having all the somites alike, also HOMEOMERIC, HOMEOMEROUS, HOMOEOMERIC, HOMOEOMEROUS.
LITHOSPERMUMlithospermum n. (Botany) Any plant of the genus Lithospermum.
Lithospermum prop.n. A taxonomic genus within the family Boraginaceae – the stoneseeds and gromwells.
LITHOSPERMUM n. a kind of flower.
MESOTHORIUMSmesothoriums n. Plural of mesothorium.
MESOTHORIUM n. an old name for either of two radioactive elements.
MUSHROOMIESTMUSHROOMY adj. of or like a mushroom.
MUSHROOMINGSmushroomings n. Plural of mushrooming.
MUSHROOMING n. rapid growth.

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: 17 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: 11 words
  • Scrabble in Italian: 8 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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