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List of 13-letter words containing

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There are 20 thirteen-letter words containing H, I, 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.
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.
FLEXOGRAPHIESFLEXOGRAPHY n. a method of rotary letterpress printing using a resilient printing plate and solvent-based ink, used characteristically for printing on metal foil or plastic.
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.
HYPERPROSEXIAhyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing…
HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers.
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.
SULPHADOXINESSULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE.
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.
XIPHOPHYLLOUSxiphophyllous adj. (Botany) Having sword-shaped leaves.
XIPHOPHYLLOUS adj. having sword-shaped leaves.

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: 80 words
  • Scrabble in French: 16 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 3 words


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