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List of 13-letter words containing

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There are 10 thirteen-letter words containing A, H, N, O, P, S and X

ANDROSPHINXESandrosphinxes n. Plural of androsphinx.
ANDROSPHINX n. a sphinx having the head of a man.
ASPHYXIATIONSasphyxiations n. Plural of asphyxiation.
ASPHYXIATION n. the act of asphyxiation.
HIERACOSPHINXhieracosphinx n. A mythical beast found in Egyptian sculpture and European heraldry, being a lion with the head of a falcon.
HIERACOSPHINX n. in ancient Egyptian art, a hawk-headed sphinx.
HYPOPHARYNXEShypopharynxes n. Plural of hypopharynx.
HYPOPHARYNX n. an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue.
HYPOXANTHINEShypoxanthines n. Plural of hypoxanthine.
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
NASOPHARYNXESnasopharynxes n. Plural of nasopharynx.
NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages.
PHYCOXANTHINSPHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
SULPHADOXINESSULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE.
XANTHOPTERINSxanthopterins n. Plural of xanthopterin.
XANTHOPTERIN n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERINE.
XIPHIPLASTRONxiphiplastron n. The posterior, or fourth lateral plate in the plastron of a turtle.
XIPHIPLASTRON n. in chelonians, one of the plates forming the plastron, lying posterior to the hypoplastron.

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: 30 words
  • Scrabble in French: 7 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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