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List of 13-letter words containing

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There are 11 thirteen-letter words containing 2A, E, 2O, P and Y

EXTRAPOLATORYextrapolatory adj. Serving to extrapolate.
EXTRAPOLATORY adj. of or like an extrapolation.
LYMPHOADENOMALYMPHOADENOMA n. a tumour of the lymph glands, aka Hodgkin's disease.
OPERATIONALLYoperationally adv. In an operational manner; in accordance with an operation.
OPERATIONAL adv. of or relating to operation or to an operation.
ORGANOTHERAPYorganotherapy n. (Medicine) The therapeutic use of the endocrine organs (or glandular extracts) of animals.
ORGANOTHERAPY n. treatment of disease by administration of animal organs or extracts of them, esp. of ductless gland extracts.
OROPHARYNGEALoropharyngeal adj. (Anatomy, relational) Of or pertaining to both the mouth and the pharynx.
oropharyngeal adj. (Anatomy, relational) Of or pertaining to the oropharynx.
oropharyngeal n. (Informal, medicine) Ellipsis of oropharyngeal airway.: an adjunct device used to open and secure a…
PALAEOBIOLOGYpalaeobiology n. The scientific study of prehistoric life, especially of those aspects pertaining to living systems.
palæobiology n. Archaic spelling of paleobiology.
PALAEOBIOLOGY n. the study of fossil plants and animals, also PALAEBIOLOGY, PALEOBIOLOGY.
PALAEOECOLOGYpalaeoecology n. The study of past ecologies by using the evidence of fossils.
PALAEOECOLOGY n. the study of early ecology.
PALAEONTOLOGYpalaeontology n. Britain standard spelling of paleontology.
palæontology n. Obsolete typography of palaeontology.
PALAEONTOLOGY n. the study of fossils, also PALEONTOLOGY.
PALAEOZOOLOGYpalaeozoology n. Alternative form of paleozoology.
PALAEOZOOLOGY n. the study of fossil animals, also PALEOZOOLOGY.
POLYCARBONATEpolycarbonate n. (Chemistry) Any of a range of polymers of aromatic carbonates; they are used to make light, flexible…
POLYCARBONATE n. any of a range of strong thermoplastics.
POLYGALACEOUSpolygalaceous adj. Of or pertaining to a family of plants (Polygalaceae) of which Polygala is the type.
POLYGALACEOUS adj. belonging to the family Polygalaceae, milkworts.

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: 70 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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