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List of 13-letter words containing

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There are 7 thirteen-letter words containing 2H, 3O 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.
HYPOTROCHOIDShypotrochoids n. Plural of hypotrochoid.
HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle.
ONYCHOPHORANSonychophorans n. Plural of onychophoran.
ONYCHOPHORAN n. any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms.
OPHTHALMOLOGYophthalmology n. (Medicine) The anatomy, functions, pathology, and treatment of the eye.
OPHTHALMOLOGY n. the study of eye and its diseases.
ORTHOHYDROGENorthohydrogen n. (Physics) form of the hydrogen molecule (H2) in which the two nuclei have parallel spin; about 75% of…
ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction.
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
PYTHONOMORPHSpythonomorphs n. Plural of pythonomorph.
PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs.

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: 54 words
  • Scrabble in French: 2 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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