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List of 12-letter words containing

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There are 7 twelve-letter words containing H, N, O, P, T, X and Y

ASPHYXIATIONasphyxiation n. Death due to lack of oxygen.
asphyxiation n. An acute lack of oxygen.
ASPHYXIATION n. the act of asphyxiation.
HYPOXANTHINEhypoxanthine n. (Organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis…
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
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.
PHYCOXANTHINphycoxanthin n. (Dated) A yellowish colouring matter found in certain algae.
PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
PHYTOALEXINSphytoalexins n. Plural of phytoalexin.
PHYTOALEXIN n. any substance produced by a plant as a defence against disease.
XANTHOPHYLLSxanthophylls n. Plural of xanthophyll.
XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL.
XYLOPHONISTSxylophonists n. Plural of xylophonist.
XYLOPHONIST n. one who plays the xylophone.

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: 19 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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