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List of 13-letter words containing

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There are 12 thirteen-letter words containing A, 2H, 2O, S, T and Y

ANTHROPOSOPHYanthroposophy n. (Archaic, as used before Rudolf Steiner) Knowledge or understanding of human nature.
anthroposophy n. A philosophy founded in the early 20th century by the esotericist Rudolf Steiner (also capitalized as…
Anthroposophy prop.n. Alternative letter-case form of anthroposophy.
HYDROTHORACEShydrothoraces n. Plural of hydrothorax.
HYDROTHORAX n. water liquid in the pleural cavity.
HYDROTHORAXEShydrothoraxes n. Plural of hydrothorax.
HYDROTHORAX n. water liquid in the pleural cavity.
HYPOPHOSPHATEhypophosphate n. (Inorganic chemistry) The oxyanion of phosphorus P2O64- derived from hypophosphoric acid; any salt containing…
HYPOPHOSPHATE n. any salt or ester of hypophosphoric acid.
HYPOTHECATORShypothecators n. Plural of hypothecator.
HYPOTHECATOR n. one who hypothecates.
ICHTHYOCOLLASICHTHYOCOLLA n. fish-glue; isinglass.
ONYCHOPHAGISTonychophagist n. (Rare) A person who bites his or her fingernails.
ONYCHOPHAGIST n. one who bites their fingernails.
OPISTHOGRAPHYopisthography n. A writing upon the back of anything, as upon the back of a sheet already written upon on one side.
OPISTHOGRAPHY n. inscribing on the back as well as the front.
PHOSPHORYLATEphosphorylate v. (Transitive) to cause phosphorylation.
phosphorylate v. (Intransitive) to undergo phosphorylation.
PHOSPHORYLATE v. to cause (an organic compound) to take up or combine with phosphoric acid or a phosphorus-containing group.
PHOTOSYNTHATEphotosynthate n. (Biochemistry) Any compound that is a product of photosynthesis.
PHOTOSYNTHATE n. a product of photosynthesis.
PYROPHOSPHATEpyrophosphate n. (Inorganic chemistry) Any salt or ester of pyrophosphoric acid.
PYROPHOSPHATE n. a salt or ester of pyrophosphoric acid.
RHYTHMOPOEIASRHYTHMOPOEIA n. the art of composing rhythmically.

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: 32 words
  • Scrabble in French: 6 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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