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List of 12-letter words containing

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There are 17 twelve-letter words containing H, 2O, 2P, T and Y

EPIPHYTOLOGYepiphytology n. Study of epiphytes and their ecology.
EPIPHYTOLOGY n. the study of epiphytes.
HYPOPLASTRONhypoplastron n. The third lateral plate in the plastron of turtles.
HYPOPLASTRON n. the plate behind the hyoplastron in a turtle's plastron.
HYPOSTROPHEShypostrophes n. Plural of hypostrophe.
HYPOSTROPHE n. a return to the primary argument after digression.
PHONOTYPICALphonotypical adj. Alternative form of phonotypic.
PHONOTYPICAL adj. of or like a phonotype, a printing type of phonetic alphabet, also PHONOTYPIC.
PHONOTYPISTSphonotypists n. Plural of phonotypist.
PHONOTYPIST n. one who practises phonotypy.
PHOTOCOPYINGphotocopying v. Present participle of photocopy.
photocopying n. The process by which photocopies are made.
PHOTOCOPYING n. the act of making a photocopy.
PHOTOGLYPHICphotoglyphic adj. Relating to the art of engraving by the action of light.
PHOTOGLYPHIC adj. of or like a photoglyph, photographic engraving.
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.
PHOTOTHERAPYphototherapy n. The use of light to treat disorders of the skin, and certain mood disorders.
PHOTOTHERAPY n. the treatment of disease by light.
PHOTOTYPESETphototypeset v. (Transitive) To typeset by a phototypesetting process.
PHOTOTYPESET v. to set (type matter) by phototypesetting.
PHYTOPHAGOUSphytophagous adj. (Zoology) Feeding on plants, herbivorous.
PHYTOPHAGOUS adj. feeding on plants, also PHYTOPHAGIC.
POLYPHONISTSpolyphonists n. Plural of polyphonist.
POLYPHONIST n. a contrapuntist, one who writes counterpoint.
POLYPHYODONTpolyphyodont n. Any animal whose teeth are continuously replaced.
POLYPHYODONT adj. having more than two successive dentitions.
POSTHYPNOTICposthypnotic adj. After being hypnotized.
POSTHYPNOTIC adj. taking place after hypnosis.
PSYCHOTROPICpsychotropic adj. (Pharmacology) Affecting the mind or mental processes.
psychotropic n. (Pharmacology) A psychotropic drug or agent.
PSYCHOTROPIC adj. acting on the mind.
PYROMORPHITEpyromorphite n. (Mineralogy) A yellowish-green mineral, a mixed phosphate and chloride of lead with the chemical formula…
PYROMORPHITE n. a green, brown, or yellow lead ore.
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.

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: 81 words
  • Scrabble in French: 7 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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