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List of 15-letter words containing

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There are 18 fifteen-letter words containing E, 2H, I, 2N and T

ANTIHELMINTHICSantihelminthics n. Plural of antihelminthic.
ANTIHELMINTHIC n. a drug designed to cure intestinal worms.
CANTHAXANTHINESCANTHAXANTHINE n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHIN.
CHANNELOPATHIESchannelopathies n. Plural of channelopathy.
ETHNOHISTORIANSethnohistorians n. Plural of ethnohistorian.
ETHNOHISTORIAN n. a student of ethnohistory.
METHYLTHIONINESMETHYLTHIONINE n. as in methylthionine chloride, a dark green dye used as a stain, antiseptic etc.
METHYLXANTHINESmethylxanthines n. Plural of methylxanthine.
METHYLXANTHINE n. a methylated xanthine derivative, such as caffeine, theobromine, or theophylline.
MONOPHTHONGISEDmonophthongised v. Simple past tense and past participle of monophthongise.
MONOPHTHONGISE v. to pronounce as a monophthong, also MONOPHTHONGIZE.
MONOPHTHONGISESmonophthongises v. Third-person singular simple present indicative form of monophthongise.
MONOPHTHONGISE v. to pronounce as a monophthong, also MONOPHTHONGIZE.
MONOPHTHONGIZEDmonophthongized v. Simple past tense and past participle of monophthongize.
MONOPHTHONGIZE v. to pronounce as a monophthong, also MONOPHTHONGISE.
MONOPHTHONGIZESmonophthongizes v. Third-person singular simple present indicative form of monophthongize.
MONOPHTHONGIZE v. to pronounce as a monophthong, also MONOPHTHONGISE.
NEMATHELMINTHICNEMATHELMINTHIC adj. of or like a nemathelminth, a member of the Nemathelminthes, a phylum of worms including nematodes.
NIGHTMARISHNESSnightmarishness n. The state or condition of being nightmarish.
NIGHTMARISH n. like a nightmare, also NIGHTMARY.
ORNITHODELPHIANORNITHODELPHIAN adj. of or like the Ornithodelphia, monotremes, also ORNITHODELPHIC, ORNITHODELPHOUS.
PHENETHYLAMINESphenethylamines n. Plural of phenethylamine.
PHENOLPHTHALEINphenolphthalein n. (Chemistry, pharmacology) A white or yellowish-white crystalline compound C20H14O4 used in medicine…
phenol␣phthalein n. (Chemistry) A white or yellowish-white crystalline substance made from phthalic acid and phenol. Its…
PHENOLPHTHALEIN n. a crystalline compound used as an indicator.
PHTHALOCYANINESphthalocyanines n. Plural of phthalocyanine.
PHTHALOCYANINE n. any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANIN.
THANKWORTHINESSthankworthiness n. The quality or state of being thankworthy.
THANKWORTHINESS n. the state of being thankworthy.
UNHEALTHINESSESunhealthinesses n. Plural of unhealthiness.
UNHEALTHINESS n. the state of being unhealthy.

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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