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List of 13-letter words containing

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There are 4 thirteen-letter words containing A, 2N, S, X and Y

EXTENSIONALLYextensionally adv. In terms or by means of extension.
EXTENSIONAL adv. of, relating to, or marked by extension.
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.

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: 34 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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