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List of 12-letter words containing

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There are 4 twelve-letter words containing M, N, R, X and Y

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.
PYRIDOXAMINEpyridoxamine n. (Biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.
PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group.
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: 32 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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