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There are 8 thirteen-letter words containing E, 3O, 2R, S and U

COUNTERPROOFScounterproofs n. Plural of counterproof.
COUNTERPROOF n. an inverted impression obtained from a newly printed proof of an engraving, by laying it, while the ink is still wet, upon plain paper, and passing it through the press.
FLUOROCHROMESfluorochromes n. Plural of fluorochrome.
FLUOROCHROME n. any of various fluorescent substances used in biological staining to produce fluorescence in a specimen.
HETEROSPOROUSheterosporous adj. (Botany, of an organism) Producing both male and female gametophytes.
HETEROSPOROUS adj. producing two different sizes or kinds of spores.
MOUTHBROODERSmouthbrooders n. Plural of mouthbrooder.
MOUTHBROODER n. a cichlid fish that carries its young in its mouth for protection, also MOUTHBREEDER.
NEUROHORMONESneurohormones n. Plural of neurohormone.
NEUROHORMONE n. a hormone (as acetylcholine or norepinephrine) produced by or acting on nervous tissue.
ODORIFEROUSLYodoriferously adv. In an odoriferous manner.
ODORIFEROUS adv. giving off an odour; morally offensive, also ODIFEROUS.
PROTEROGYNOUSproterogynous adj. (Botany) Having the pistil come to maturity before the stamens; protogynous.
PROTEROGYNOUS adj. exhibiting proterogyny.
RHOPALOCEROUSrhopalocerous adj. Of or relating to the Rhopalocera.
RHOPALOCEROUS adj. relating to the Rhopalocera, a suborder of insects with clubbed antennae, also RHOPALOCERAL.

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: 47 words
  • Scrabble in French: 27 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 7 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 26 words


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