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List of 15-letter words containing

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There are 10 fifteen-letter words containing 3O, 3P and S

APOLIPOPROTEINSapolipoproteins n. Plural of apolipoprotein.
APOLIPOPROTEIN n. a protein that combines with a lipid to form a lipoprotein.
HYPOPHOSPHOROUShypophosphorous adj. (Chemistry) Of or pertaining to hypophosphorous acid or its derivatives.
HYPOPHOSPHOROUS adj. as in hypophosphorous acid, a monobasic acid and a reducing agent.
PHOSPHOPROTEINSphosphoproteins n. Plural of phosphoprotein.
PHOSPHOPROTEIN n. any of various proteins, such as casein, that contain combined phosphoric acid.
PHOSPHOROSCOPESphosphoroscopes n. Plural of phosphoroscope.
PHOSPHOROSCOPE n. an instrument for measuring the duration of phosphorescence after the source of radiation causing it has been removed.
PROPERISPOMENONproperispomenon adj. (Linguistics, of a word) In Greek grammar, having a circumflex accent on the penultimate syllable.
properispomenon n. (Linguistics) A word having such an accent.
PROPERISPOMENON n. a word with the circumflex accent on the penultimate syllable.
PROPRIOCEPTIONSproprioceptions n. Plural of proprioception.
PROPRIOCEPTION n. the sense of muscular position.
PROSOPOGRAPHERSPROSOPOGRAPHER n. a writer of prosopographies, biographical sketches.
PROSOPOGRAPHIESprosopographies n. Plural of prosopography.
PROSOPOGRAPHY n. a biographical sketch; a description of person.
PROTOPORPHYRINSprotoporphyrins n. Plural of protoporphyrin.
PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin.
PYROPHOTOGRAPHSPYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 44 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 17 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 3 words


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