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There are 12 fifteen-letter words containing I, O, 2P, 2R, S and U

CRYPTOSPORIDIUMcryptosporidium n. Any protozoan of the genus Cryptosporidium, intestinal parasites of humans and other vertebrates that…
Cryptosporidium prop.n. A taxonomic genus within the family Cryptosporidiidae – coccidian protozoan parasites causing the disease…
CRYPTOSPORIDIUM n. any of a genus of protozoans parasitic in the gut of vertebrates including humans and sometimes causing diarrhea.
MERCAPTOPURINESmercaptopurines n. Plural of mercaptopurine.
MERCAPTOPURINE n. an antimetabolite sometimes used in the treatment of acute leukemia.
OPPROBRIOUSNESSopprobriousness n. The state or condition of being opprobrious.
OPPROBRIOUS n. expressing contemptuous reproach; bringing disgrace.
PEROXYSULPHURICPEROXYSULPHURIC adj. as in peroxysulphuric acid.
PROCURATORSHIPSprocuratorships n. Plural of procuratorship.
PROCURATORSHIP n. the office of procurator.
PROLOCUTORSHIPSprolocutorships n. Plural of prolocutorship.
PROLOCUTORSHIP n. the office of a prolocutor, a spokesman.
PROTOSPATHARIUSprotospatharius n. Alternative form of protospatharios.
PROTOSPATHARIUS n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHAIRE.
RADIOPHOSPHORUSradiophosphorus n. Radioactive phosphorus (especially when used as a tracer).
RADIOPHOSPHORUS n. a radioactive isotope of phosphorus.
SUPERCARGOSHIPSSUPERCARGOSHIP n. the office of supercargo.
SUPERPATRIOTISMsuperpatriotism n. Extreme patriotism.
SUPERPATRIOTISM n. extreme patriotism.
SUPERSCRIPTIONSsuperscriptions n. Plural of superscription.
SUPERSCRIPTION n. something written above.
SUPERVISORSHIPSsupervisorships n. Plural of supervisorship.
SUPERVISORSHIP n. the office of supervisor.

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: 98 words
  • Scrabble in French: 23 words
  • Scrabble in Spanish: 31 words
  • Scrabble in Italian: 17 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 36 words


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