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There are 11 twelve-letter words containing 2H, N, O and X

ANTHOXANTHINanthoxanthin n. (Biochemistry) Any of a group of water-soluble flavonoid pigments found in plants.
ANTHOXANTHIN n. a yellow pigment in plants.
ETHOXYETHANEethoxyethane n. (Organic chemistry, systematic name) diethyl ether.
ETHOXYETHANE n. a type of ether, aka diethyl ether, an isomer of butanol.
HAPAXANTHOUShapaxanthous adj. Being or relating to a hapaxanth.
HAPAXANTHOUS adj. monocarpous, also HAPAXANTHIC.
HEXAHEMERONSHEXAHEMERON n. the (biblical) six days of creation, also HEXAEMERON.
HEXASTICHONSHEXASTICHON n. a poem or stanza of six lines, also HEXASTICH.
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.
PHYCOXANTHINphycoxanthin n. (Dated) A yellowish colouring matter found in certain algae.
PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
XANTHOCHROIAxanthochroia n. (Pathology) A condition characterized by yellow patches on the skin.
XANTHOCHROIA n. yellowness of the skin.
XANTHOCHROICxanthochroic adj. Pertaining to people or races with light hair and pale complexions.
XANTHOCHROIC adj. exhibiting xanthochroism, a condition in which all pigments other than yellow disappear, also XANTHOCHROOUS.
XANTHOCHROIDxanthochroid adj. (Anthropology) Pertaining to the Xanthochroi; having fair hair and a pale complexion.
xanthochroid n. (Anthropology) A member of the Xanthochroi.
XANTHOCHROID n. a blond-haired and blue eyed person with fair white skin.
XANTHOPHYLLSxanthophylls n. Plural of xanthophyll.
XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 32 words
  • Scrabble in French: 3 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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