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List of 13-letter words containing

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There are 3 thirteen-letter words containing A, C, H, I, L, T and X

HEXACTINELLIDhexactinellid n. Any of the many sponges of class Hexactinellida, which have hexactine spicules; a glass sponge.
HEXACTINELLID n. a kind of six-rayed sponge.
TACHYPHYLAXIStachyphylaxis n. (Medicine) A rapidly decreasing response to a drug following administration of the initial doses.
TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.
XEROPHTHALMICxerophthalmic adj. Of or pertaining to xerophthalmia.
XEROPHTHALMIC adj. relating to xerophthalmia.

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: 32 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 2 words


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