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List of 13-letter words containing

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There are 12 thirteen-letter words containing E, N, 3O, P and Y

ENDOPOLYPLOIDendopolyploid adj. Exhibiting or relating to endopolyploidy.
endopolyploid n. Any organism that exhibits endopolyploidy.
ENDOPOLYPLOID adj. relating to endopolyploidy.
GEOMORPHOGENYGEOMORPHOGENY n. the study of the origins of land forms.
NINCOMPOOPERYnincompoopery n. The beliefs and behaviours of a nincompoop; folly; idiocy.
NINCOMPOOPERY n. the state of being a nincompoop.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
PALAEONTOLOGYpalaeontology n. Britain standard spelling of paleontology.
palæontology n. Obsolete typography of palaeontology.
PALAEONTOLOGY n. the study of fossils, also PALEONTOLOGY.
PHENOMENOLOGYphenomenology n. (Philosophy) The study of structures of consciousness as experienced from the first-person point of view.
phenomenology n. (Philosophy) A movement based on this, originated about 1905 by Edmund Husserl.
phenomenology n. (Medicine, philosophy of medical sciences) An approach to clinical practice which places undue reliance…
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
POLYCOTYLEDONpolycotyledon n. (Botany) A plant that has many, or more than two, cotyledons in the seed.
POLYCOTYLEDON n. any of various plants, esp. gymnosperms, that have or appear to have more than two cotyledons.
POLYGONACEOUSpolygonaceous adj. (Botany) Of or pertaining to a family of apetalous plants, Polygonaceae, of which the knotweeds of the…
POLYGONACEOUS adj. belonging to the family Polygonaceae, knotgrasses.
PROPAROXYTONEproparoxytone adj. (Linguistics, of a word) Having the stress or accent on the antepenultimate syllable.
proparoxytone n. (Linguistics) A proparoxytone word.
PROPAROXYTONE n. in ancient Greek, a word having the acute accent on the third last syllable.
PROTEROGYNOUSproterogynous adj. (Botany) Having the pistil come to maturity before the stamens; protogynous.
PROTEROGYNOUS adj. exhibiting proterogyny.
RONTGENOSCOPYRONTGENOSCOPY n. observation by means of X-rays.

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: 73 words
  • Scrabble in French: 9 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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