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List of 13-letter words containing

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There are 14 thirteen-letter words containing H, I, O, P, S, T and X

ASPHYXIATIONSasphyxiations n. Plural of asphyxiation.
ASPHYXIATION n. the act of asphyxiation.
EXECUTORSHIPSexecutorships n. Plural of executorship.
EXECUTORSHIP n. the office of executor.
EXOPHTHALMIASexophthalmias n. Plural of exophthalmia.
EXOPHTHALMIA n. a protrusion of the eyeballs.
EXTREMOPHILESextremophiles n. Plural of extremophile.
EXTREMOPHILE n. an organism that lives under extreme environmental conditions.
HYPOXANTHINEShypoxanthines n. Plural of hypoxanthine.
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
LITHOLAPAXIESlitholapaxies n. Plural of litholapaxy.
LITHOLAPAXY n. the operation of crushing stone in the bladder and working it out.
PHOTOOXIDISEDPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDISESPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDIZESphotooxidizes v. Third-person singular simple present indicative form of photooxidize.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHYCOXANTHINSPHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
TOXICOPHAGOUSTOXICOPHAGOUS adj. eating poison, also TOXIPHAGOUS.
TOXICOPHOBIASTOXICOPHOBIA n. the morbid fear of poisoning, also TOXIPHOBIA.
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: 46 words
  • Scrabble in French: 10 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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