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There are 20 fifteen-letter words containing 2A, I, 2O, P, S and U

AUTOBIOGRAPHERSautobiographers n. Plural of autobiographer.
AUTOBIOGRAPHER n. one who writes autobiographies.
AUTOBIOGRAPHIESautobiographies n. Plural of autobiography.
AUTOBIOGRAPHY n. the biography of a person narrated by himself or herself.
AUTORADIOGRAPHSautoradiographs n. Plural of autoradiograph.
AUTORADIOGRAPH n. an autoradiographic record, also RADIOAUTOGRAPH.
AUTOTETRAPLOIDSautotetraploids n. Plural of autotetraploid.
AUTOTETRAPLOID n. an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement.
BACTERIOPHAGOUSbacteriophagous adj. Pertaining to the predation and consumption of bacterium.
BACTERIOPHAGOUS adj. of or like a bacteriophage, a bacterium that eats other bacteria, also BACTERIOPHAGIC.
CAPRIFOLIACEOUScaprifoliaceous adj. (Botany) Of, pertaining to, or resembling the Caprifoliaceae family of honeysuckles.
CAPRIFOLIACEOUS adj. of or pertaining to the honeysuckle plant.
CLAUSTROPHOBIASclaustrophobias n. Plural of claustrophobia.
CLAUSTROPHOBIA n. fear of closed spaces.
JUXTAPOSITIONALjuxtapositional adj. In, or relating to, juxtaposition.
JUXTAPOSITIONAL adj. in a state of juxtaposition.
MACROSPORANGIUMmacrosporangium n. (Botany) A megasporangium; sporangium or conceptacle containing only large spores; opposed to microsporangium.
MACROSPORANGIUM n. a sporangium producing only megaspores.
PASSIFLORACEOUSpassifloraceous adj. Of or pertaining to the family Passifloraceae of mostly tropical flowering plants.
PASSIFLORACEOUS adj. belonging to the passionflower family.
PLAGIOSTOMATOUSplagiostomatous adj. (Zoology) Alternative form of plagiostomous.
PLAGIOSTOMATOUS adj. of or like a plagiostome, also PLAGIOSTOMOUS.
POPULARISATIONSpopularisations n. Plural of popularisation.
POPULARISATION n. the act of popularising, also POPULARIZATION.
POPULARIZATIONSpopularizations n. Plural of popularization.
POPULARIZATION n. the act of popularizing, also POPULARISATION.
POSTDEVALUATIONpostdevaluation adj. After a financial devaluation.
POSTDEVALUATION adj. taking place after devaluation.
POSTGRADUATIONSPOSTGRADUATION n. the period of time following graduation.
POSTULATIONALLYpostulationally adv. In a postulational manner.
POSTULATIONAL adv. of or like a postulate.
PROTOSPATHARIUSprotospatharius n. Alternative form of protospatharios.
PROTOSPATHARIUS n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHAIRE.
RADIOAUTOGRAPHSradioautographs n. Plural of radioautograph.
RADIOAUTOGRAPH n. an autoradiographic record, also AUTORADIOGRAPH.
UNAPOSTOLICALLYunapostolically adv. In an unapostolic manner.
UNAPOSTOLICAL adv. not apostolical, also UNAPOSTOLIC.
UNCOMPASSIONATEuncompassionate adj. Not compassionate.
UNCOMPASSIONATE adj. not compassionate.

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: 103 words
  • Scrabble in French: 22 words
  • Scrabble in Spanish: 43 words
  • Scrabble in Italian: 29 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 43 words


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