List of 13-letter words containing ••••

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There are 18 thirteen-letter words containing H, P, S, T and X

ASPHYXIATIONS	• asphyxiations n. Plural of asphyxiation. • ASPHYXIATION n. the act of asphyxiation.
EXECUTORSHIPS	• executorships n. Plural of executorship. • EXECUTORSHIP n. the office of executor.
EXOPHTHALMIAS	• exophthalmias n. Plural of exophthalmia. • EXOPHTHALMIA n. a protrusion of the eyeballs.
EXTREMOPHILES	• extremophiles n. Plural of extremophile. • EXTREMOPHILE n. an organism that lives under extreme environmental conditions.
HYPOXANTHINES	• hypoxanthines n. Plural of hypoxanthine. • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
LITHOLAPAXIES	• litholapaxies n. Plural of litholapaxy. • LITHOLAPAXY n. the operation of crushing stone in the bladder and working it out.
PHOTOOXIDISED	• PHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDISES	• PHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDIZES	• photooxidizes v. Third-person singular simple present indicative form of photooxidize. • PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHYCOXANTHINS	• PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
TACHYPHYLAXES	• tachyphylaxes n. Plural of tachyphylaxis. • TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.
TACHYPHYLAXIS	• tachyphylaxis 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.
TOXICOPHAGOUS	• TOXICOPHAGOUS adj. eating poison, also TOXIPHAGOUS.
TOXICOPHOBIAS	• TOXICOPHOBIA n. the morbid fear of poisoning, also TOXIPHOBIA.
XANTHOPTERINS	• xanthopterins n. Plural of xanthopterin. • XANTHOPTERIN n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERINE.
XIPHIPLASTRAL	• xiphiplastral adj. Relating to a xiphiplastron. • XIPHIPLASTRAL n. a type of chelonian.
XIPHIPLASTRON	• xiphiplastron 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.
XIPHISTERNUMS	• xiphisternums n. Plural of xiphisternum. • XIPHISTERNUM n. the posterior and smallest of the three divisions of the sternum.

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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English Wiktionary: 90 words
Scrabble in French: 16 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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