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There are 15 twelve-letter words containing E, H, L, 2O, P, T and Y

EPIPHYTOLOGYepiphytology n. Study of epiphytes and their ecology.
EPIPHYTOLOGY n. the study of epiphytes.
HEPATICOLOGYhepaticology n. The scientific study of liverworts (Marchantiophyta).
HEPATICOLOGY n. the study of liverworts.
HETEROPLOIDYheteroploidy n. (Genetics) The state of being heteroploid.
HETEROPLOIDY n. the state of being heteroploid.
HOMEOTYPICALhomeotypical adj. (Biology) Of or resembling the usual type.
HOMEOTYPICAL adj. denoting or relating to the second nuclear division of meiosis, which resembles mitosis, also HOMOEOTYPICAL.
HYPOCHLORITEhypochlorite n. (Chemistry) any salt of hypochlorous acid; used as a household bleach.
HYPOCHLORITE n. a salt of hypochlorous acid.
MONOPHYLETICmonophyletic adj. (Biology) Of, pertaining to, or affecting a single phylum (or other taxon) of organisms.
monophyletic adj. (Biology) Deriving from a single clade (monophylum).
monophyletic adj. (Biology) Descending from a single ancestral species.
ORTHOCEPHALYorthocephaly n. The condition of being orthocephalic.
ORTHOCEPHALY n. the state of being orthocephalic.
PHOTOGEOLOGYphotogeology n. The use of aerial photography to interpret geologic features.
PHOTOGEOLOGY n. a branch of geology concerned with the identification and study of geological features through the study of aerial or orbital photographs.
PHOTOLYSABLEphotolysable adj. Capable of photolysis.
PHOTOLYSABLE adj. capable of being photolysed, also PHOTOLYZABLE.
PHOTOLYZABLEphotolyzable adj. Alternative form of photolysable.
PHOTOLYZABLE adj. capable of being photolyzed, also PHOTOLYSABLE.
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.
PHYTOSTEROLSphytosterols n. Plural of phytosterol.
PHYTOSTEROL n. any of various sterols derived from plants.
POLYCHAETOUSpolychaetous adj. Relating to polychaetes.
POLYCHAETOUS adj. of or like a polychaete, a type of aquatic worm, also POLYCHETOUS.
PYROCATECHOLpyrocatechol n. (Organic chemistry) A dihydric phenol, benzene-1,2-diol, present in some tars.
PYROCATECHOL n. another name for catechol, also PYROCATECHIN.
TYPHLOLOGIESTYPHLOLOGY n. the study of blindness and the blind.

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: 67 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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