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List of 13-letter words containing

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There are 3 thirteen-letter words containing E, H, 2O, P, X and Y

HYDROPEROXIDEhydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH.
HYDROPEROXIDE n. a compound containing an O2H group.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
PROPOXYPHENESpropoxyphenes n. Plural of propoxyphene.
PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.

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: 37 words
  • Scrabble in French: 5 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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