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There are 18 thirteen-letter words containing A, H, 2O, R, 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.
CHROMATOLYSESchromatolyses n. Plural of chromatolysis.
CHROMATOLYSIS n. the dissolution and breaking up of chromophil material (as chromatin) of a cell and esp. a nerve cell.
CHROMATOLYSISchromatolysis n. The dissolution of the Nissl bodies in the cell body of a neuron.
CHROMATOLYSIS n. the dissolution and breaking up of chromophil material (as chromatin) of a cell and esp. a nerve cell.
HETEROKARYONSheterokaryons n. Plural of heterokaryon.
HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei.
HYDROGENATORShydrogenators n. Plural of hydrogenator.
HYDROGENATOR n. an agent that hydrogenates.
HYDROLYSATIONhydrolysation n. Alternative form of hydrolyzation.
HYDROLYSATION n. the process of hydrolysing, also HYDROLYZATION.
HYDROSOMATOUSHYDROSOMATOUS adj. of or like hydrosomata.
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.
HYPOTHECATORShypothecators n. Plural of hypothecator.
HYPOTHECATOR n. one who hypothecates.
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.
POLYHISTORIANpolyhistorian n. Synonym of polyhistor.
POLYHISTORIAN n. a person of great and varied learning, also POLYHISTOR.
PYROCATECHOLSpyrocatechols n. Plural of pyrocatechol.
PYROCATECHOL n. another name for catechol, also PYROCATECHIN.
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.
THORACOPLASTYthoracoplasty n. (Surgery) Surgery of the chest, usually involving removal of ribs.
THORACOPLASTY n. surgery to collapse a diseased lung by removing selected portions of the ribs.
YELLOWTHROATSyellowthroats n. Plural of yellowthroat.
YELLOWTHROAT n. any of several largely olive American warblers.

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: 110 words
  • Scrabble in French: 10 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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