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There are 18 twelve-letter words containing 3O, P, R, T and Y

ANTHROPOGONYanthropogony n. Synonym of anthropogenesis.
ANTHROPOGONY n. the study of the origins of human beings, also ANTHROPOGENESIS.
ANTHROPOLOGYanthropology n. The holistic scientific and social study of humanity, mainly using ethnography as its method.
ANTHROPOLOGY n. the science of human beings.
ANTHROPOTOMYanthropotomy n. The anatomy or dissection of the human body; androtomy.
ANTHROPOTOMY n. human anatomy.
HOMOPOLARITYHOMOPOLARITY n. the state of being homopolar.
HYPOTROCHOIDhypotrochoid n. (Geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates…
HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle.
LYOSORPTIONSLYOSORPTION n. the adsorption of a liquid on a solid surface, esp. of a solvent on suspended particles.
ODONTOGRAPHYodontography n. A scientific description of the teeth.
ODONTOGRAPHY n. a description or history of teeth.
OOPHORECTOMYoophorectomy n. (Medicine) Surgical removal of one or both ovaries.
oöphorectomy n. Alternative spelling of oophorectomy.
OOPHORECTOMY n. the operation of removing one or both of the ovaries, aka ovariotomy.
ORNITHOSCOPYornithoscopy n. Birdwatching.
ORNITHOSCOPY n. bird watching.
PHOTOPOLYMERphotopolymer n. (Chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillings.
PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates.
PHYTOHORMONEphytohormone n. A plant hormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
POSTCORONARYpostcoronary adj. After coronary thrombosis.
POSTCORONARY adj. taking place after a coronary.
PROTHONOTARYprothonotary n. (Obsolete, historical) A chief legal clerk or notary in Roman Byzantium, and (hence) in Rome.
prothonotary n. (Roman Catholicism) One of the seven prelates, constituting a college in the Roman Curia, whose office…
prothonotary n. A registrar or chief clerk in various courts of law, especially (US) in a county court, (Australia)…
PROTISTOLOGYprotistology n. (Biology) The scientific study of protists.
PROTISTOLOGY n. the study of protists.
PROTOHISTORYprotohistory n. The period between prehistory and history, during which a culture or civilization has not yet developed…
PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history.
PROTOZOOLOGYprotozoology n. The study of protozoa.
protozoology n. The study of protists.
PROTOZOOLOGY n. the study of protozoans.
PYTHONOMORPHpythonomorph n. Any large extinct reptile of the taxon Pythonomorpha.
pythonomorph n. Any member of the taxon Pythonomorpha.
PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs.
TROPOMYOSINStropomyosins n. Plural of tropomyosin.
TROPOMYOSIN n. a filamentous protein which controls the interaction of actin and myosin in muscle fibres.

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: 69 words
  • Scrabble in French: 4 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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