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List of 15-letter words containing

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There are 17 fifteen-letter words containing 2H, I, 2N, S 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.
CHONDRICHTHYANSchondrichthyans n. Plural of chondrichthyan.
CHONDRICHTHYAN n. a technical name for a cartilaginous fish.
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.
MONOPHTHONGIZESmonophthongizes v. Third-person singular simple present indicative form of monophthongize.
MONOPHTHONGIZE v. to pronounce as a monophthong, also MONOPHTHONGISE.
NIGHTMARISHNESSnightmarishness n. The state or condition of being nightmarish.
NIGHTMARISH n. like a nightmare, also NIGHTMARY.
ORNITHORHYNCHUSornithorhynchus n. A platypus (genus Ornithorhynchus).
Ornithorhynchus prop.n. A taxonomic genus within the family Ornithorhynchidae – the single species Ornithorhynchus anatinus…
ORNITHORHYNCHUS n. the duckbill platypus.
PHENETHYLAMINESphenethylamines n. Plural of phenethylamine.
PHOTOFINISHINGSPHOTOFINISHING n. the development and printing of photographic film commercially.
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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 141 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 3 words


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