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There are 11 twelve-letter words containing H, 2I, 3O, P and S

IONOPHORESISionophoresis n. The movement of charged particles in an electric field.
ionophoresis n. Misspelling of iontophoresis.
IONOPHORESIS n. the migration of charged particles, e.g. of a drug, into body tissue.
OOPHORITISESOOPHORITIS n. inflammation of the ovaries.
OPHIOLOGISTSophiologists n. Plural of ophiologist.
OPHIOLOGIST n. a student of ophiology.
OPISTHODOMOIopisthodomoi n. Plural of opisthodomos.
OPISTHODOMOS n. (Greek) a portico or apartment at the back of an ancient Greek or Roman temple.
OPISTHOTONICopisthotonic adj. Relating to opisthotonus.
OPISTHOTONIC adj. of or like opisthotonos, extreme arching backwards of the spine and neck as a result of spasm of the muscles in that region.
PHOTOFISSIONphotofission n. (Nuclear physics) Nuclear fission as the result of the absorption of a gamma ray or other high-energy photon.
photofission v. (Nuclear physics) To undergo, or cause to undergo, photofission.
PHOTOFISSION n. nuclear fission induced by gamma rays.
PHOTOIONISEDphotoionised adj. Alternative spelling of photoionized.
PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONISESPHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONIZESphotoionizes v. Third-person singular simple present indicative form of photoionize.
PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE.
PHOTOOXIDISEPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
TROPHOBIOSIStrophobiosis n. (Zoology) A symbiotic association in which one organism obtains or provides food for another.
TROPHOBIOSIS n. exchange of nutriment in symbiotic relationship.

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: 24 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 11 words


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