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List of 15-letter words containing

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There are 8 fifteen-letter words containing I, 2O, 3P and T

APOLIPOPROTEINSapolipoproteins n. Plural of apolipoprotein.
APOLIPOPROTEIN n. a protein that combines with a lipid to form a lipoprotein.
APPROPINQUATIONappropinquation n. The act of drawing near; an approach.
APPROPINQUATION n. approach.
PHOSPHOPROTEINSphosphoproteins n. Plural of phosphoprotein.
PHOSPHOPROTEIN n. any of various proteins, such as casein, that contain combined phosphoric acid.
POSTAPOCALYPTICpostapocalyptic adj. Occurring after an apocalypse or catastrophic event.
post-apocalyptic adj. After the apocalypse.
post-apocalyptic adj. Of or pertaining to a fiction genre dealing with the collapse of society.
PRESUPPOSITIONSpresuppositions n. Plural of presupposition.
PRESUPPOSITION n. a preliminary supposition.
PROPRIETORSHIPSproprietorships n. Plural of proprietorship.
PROPRIETORSHIP n. the office of proprietor.
PROPRIOCEPTIONSproprioceptions n. Plural of proprioception.
PROPRIOCEPTION n. the sense of muscular position.
PROTOPORPHYRINSprotoporphyrins n. Plural of protoporphyrin.
PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin.

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: 74 words
  • Scrabble in French: 10 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 6 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 8 words


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