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There are 18 fifteen-letter words containing A, 3O, P, 2R and S

ANDROGYNOPHORESandrogynophores n. Plural of androgynophore.
ANDROGYNOPHORE n. another name for the androphore, a support or column on which stamens are raised.
ASTROPHOTOGRAPHastrophotograph n. Alternative form of astrophoto.
ASTROPHOTOGRAPH n. a photograph of a celestial body.
CHROMATOPHOROUSCHROMATOPHOROUS adj. of or like a chromatophore, a pigment-bearing cell.
COUNTERPROPOSALcounterproposal n. A proposal made as an alternative to another, earlier proposal.
counter-proposal n. Alternative form of counterproposal.
COUNTERPROPOSAL n. a return proposal made by one who has rejected a proposal.
DISPROPORTIONALdisproportional adj. Disproportionate.
DISPROPORTIONAL adj. relating to disproportion.
HYPOMENORRHOEAShypomenorrhoeas n. Plural of hypomenorrhoea.
HYPOMENORRHOEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHEA.
NONPROFESSORIALnonprofessorial adj. Not professorial.
NONPROFESSORIAL adj. not professorial.
PHOTOTRANSISTORphototransistor n. (Electronics) Any semiconductor device whose electrical characteristics are light-sensitive.
PHOTOTRANSISTOR n. a junction transistor, whose base signal is generated by illumination of the base.
PROGNOSTICATORSprognosticators n. Plural of prognosticator.
PROGNOSTICATOR n. one who prognosticates.
PROSOPOGRAPHERSPROSOPOGRAPHER n. a writer of prosopographies, biographical sketches.
PROSOPOGRAPHIESprosopographies n. Plural of prosopography.
PROSOPOGRAPHY n. a biographical sketch; a description of person.
PROTHONOTARIATSprothonotariats n. Plural of prothonotariat.
PROTHONOTARIAT n. the college constituted by the twelve apostolical prothonotaries (bishops and senior members of the curia) in Rome, also PROTONOTARIAT.
PROTOCERATOPSESSorry, definition not available.
PROTOHISTORIANSprotohistorians n. Plural of protohistorian.
PROTOHISTORIAN n. one who studies protohistory.
PYROPHOTOGRAPHSPYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain.
RADIOPHOSPHORUSradiophosphorus n. Radioactive phosphorus (especially when used as a tracer).
RADIOPHOSPHORUS n. a radioactive isotope of phosphorus.
SPORANGIOPHORESsporangiophores n. Plural of sporangiophore.
SPORANGIOPHORE n. a stalk to which sporangia are attached.
SPORANGIOSPORESsporangiospores n. Plural of sporangiospore.
SPORANGIOSPORE n. a spore developed in a sporangium.

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: 170 words
  • Scrabble in French: 24 words
  • Scrabble in Spanish: 80 words
  • Scrabble in Italian: 140 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 110 words


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