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There are 20 fifteen-letter words containing A, 2O, P, 2R, T and U

AUTOBIOGRAPHERSautobiographers n. Plural of autobiographer.
AUTOBIOGRAPHER n. one who writes autobiographies.
AUTORADIOGRAPHSautoradiographs n. Plural of autoradiograph.
AUTORADIOGRAPH n. an autoradiographic record, also RADIOAUTOGRAPH.
AUTORADIOGRAPHYautoradiography n. The process of making autoradiographs.
AUTORADIOGRAPHY n. a technique used to show the distribution of radioactively labelled molecules in cells or tissues.
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.
DRAUGHTPROOFINGdraughtproofing n. The material which is used to make something draughtproof.
draughtproofing n. The act of making something draughtproof.
draughtproofing v. Present participle of draughtproof.
PARTHENOCARPOUSparthenocarpous adj. Alternative form of parthenocarpic.
PARTHENOCARPOUS adj. relating to parthenocarpy.
PHOTOFLUOROGRAMphotofluorogram n. (Photography) A photograph made by photofluorography.
PHOTOFLUOROGRAM n. a photograph of a fluoroscopic image.
PROCURATORSHIPSprocuratorships n. Plural of procuratorship.
PROCURATORSHIP n. the office of procurator.
PROTOSPATHARIUSprotospatharius n. Alternative form of protospatharios.
PROTOSPATHARIUS n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHAIRE.
PSEUDOARTHROSESpseudoarthroses n. Plural of pseudoarthrosis.
PSEUDOARTHROSIS n. a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united, also PSEUDARTHROSIS.
PSEUDOARTHROSISpseudoarthrosis n. Alternative form of pseudarthrosis.
PSEUDOARTHROSIS n. a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united, also PSEUDARTHROSIS.
RADIOAUTOGRAPHSradioautographs n. Plural of radioautograph.
RADIOAUTOGRAPH n. an autoradiographic record, also AUTORADIOGRAPH.
RADIOAUTOGRAPHYradioautography n. Autoradiography.
RADIOAUTOGRAPHY n. the use of radioautographs.
SUPEREROGATIONSsupererogations n. Plural of supererogation.
SUPEREROGATION n. the act of performing more than is required by duty, obligation or need.
SUPERORDINATIONsuperordination n. The ordination of a person to fill a station already occupied; especially, the ordination by an ecclesiastical…
superordination n. (Logic) The relation of a universal proposition to a particular proposition in the same terms.
SUPERORDINATION n. the relation of a universal proposition to a particular proposition in the same terms.
ULTRAMICROSCOPEultramicroscope n. A microscope that uses bright illumination against a black background to view small particles.
ULTRAMICROSCOPE n. an instrument for viewing extremely small objects.
ULTRAMICROSCOPYultramicroscopy n. The scientific use of the ultramicroscope.
ULTRAMICROSCOPY n. microscopy using an ultramicroscope.
ULTRASONOGRAPHYultrasonography n. (Medicine) The use of ultrasound to produce diagnostic images of the internal organs of the body, or of a foetus.
ultrasonography n. The use of ultrasound to form images of underwater structures.
ULTRASONOGRAPHY n. the use of ultrasound.
UNPROPORTIONATEunproportionate adj. Not proportionate; disproportionate.
UNPROPORTIONATE adj. not proportionate.

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: 157 words
  • Scrabble in French: 28 words
  • Scrabble in Spanish: 15 words
  • Scrabble in Italian: 41 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 206 words


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