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There are 9 eleven-letter words beginning with PHOSPHO

PHOSPHONIUMphosphonium n. (Chemistry) the tetravalent positively-charged phosphorus cation R4P+.
PHOSPHONIUM n. the radical PH4, analogous to ammonium.
PHOSPHORATEphosphorate v. (Transitive) To combine or treat with phosphorus; to phosphorize.
PHOSPHORATE v. to combine or impregnate with phosphorus.
PHOSPHORETSphosphorets n. Plural of phosphoret.
PHOSPHORET n. (obsolete) a phosphide, also PHOSPHURET.
PHOSPHORISEphosphorise v. Alternative spelling of phosphorize.
PHOSPHORISE v. to combine or impregnate with phosphorus, also PHOSPHORIZE.
PHOSPHORISMphosphorism n. Chronic phosphorus poisoning.
PHOSPHORISM n. (obsolete) chronic phosphorus poisoning.
PHOSPHORITEphosphorite n. (Mineralogy) a sedimentary rock rich in phosphate minerals such as apatite.
PHOSPHORITE n. fibrous apatite.
PHOSPHORIZEphosphorize v. (Transitive) To combine or treat with phosphorus; to phosphorate.
PHOSPHORIZE v. to combine or impregnate with phosphorus, also PHOSPHORISE.
PHOSPHOROUSphosphorous adj. (Chemistry) Of or pertaining to phosphorus.
phosphorous adj. Resembling phosphorus.
phosphorous adj. (Chemistry) Of relating to or containing trivalent phosphorus.
PHOSPHORYLSphosphoryls n. Plural of phosphoryl.
PHOSPHORYL n. the radical PO, regarded as the typical nucleus of certain compounds.

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: 31 words
  • Scrabble in French: 12 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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