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List of 12-letter words containing

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There are 5 twelve-letter words containing M, N, 2O, X and Y

CYTOTAXONOMYcytotaxonomy n. (Taxonomy) The classification of organisms based upon their cellular structure and function, and especially…
CYTOTAXONOMY n. the classification of organisms based on cell structure, esp. the number, shape, etc., of the chromosomes.
HAEMATOXYLONHAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin.
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
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.
SEROTAXONOMYSEROTAXONOMY n. serological analysis as a source of information for taxonomic classification.

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: 50 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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