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There are 10 twelve-letter words containing H, N, O, S, U and X

FUCOXANTHINSfucoxanthins n. Plural of fucoxanthin.
FUCOXANTHIN n. a brown carotenoid pigment occurring esp. in the chloroplasts of brown algae.
HAPAXANTHOUShapaxanthous adj. Being or relating to a hapaxanth.
HAPAXANTHOUS adj. monocarpous, also HAPAXANTHIC.
HETEROAUXINSheteroauxins n. Plural of heteroauxin.
HETEROAUXIN n. a natural plant hormone, used esp. for stimulating growth and root formation in plant cutting.
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
SULPHADOXINEsulphadoxine n. Alternative spelling of sulfadoxine.
SULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE.
THUNDERBOXESthunderboxes n. Plural of thunderbox.
thunder-boxes n. Plural of thunder-box (alternative form of thunderboxes).
thunder␣boxes n. Plural of thunder box (alternative form of thunderboxes).
UNORTHODOXESSorry, definition not available.
XANTHOMATOUSxanthomatous adj. Of or relating to xanthoma or xanthomatosis.
XANTHOMATOUS adj. of or like a xanthoma, a skin disease marked by the development or irregular yellowish patches upon the skin.
XENODOCHIUMSxenodochiums n. Plural of xenodochium.
XENODOCHIUM n. a building for the reception of strangers, e.g. a guesthouse in a monastery.
ZANTHOXYLUMSzanthoxylums n. Plural of zanthoxylum.
ZANTHOXYLUM n. a plant of a genus of the rue family found in Brazil, in particular the prickly-ash or Hercules club, also XANTHOXYL, ZANTHOXYL.

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: 31 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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