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List of 15-letter words containing

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There are 18 fifteen-letter words containing E, I, O, 2P, 2S and U

INOPPORTUNENESSinopportuneness n. The quality of being inopportune.
INOPPORTUNE n. inconvenient, unseasonable.
NEUROHYPOPHYSISneurohypophysis n. (Anatomy) The posterior lobe of the pituitary gland, responsible for the release of oxytocin and antidiuretic…
NEUROHYPOPHYSIS n. the portion of the pituitary gland that is composed of the infundibulum and posterior lobe and is concerned with the secretion of various hormones.
OPPROBRIOUSNESSopprobriousness n. The state or condition of being opprobrious.
OPPROBRIOUS n. expressing contemptuous reproach; bringing disgrace.
PERSPICACIOUSLYperspicaciously adv. With the power of seeing or understanding clearly; quick-sightedly; with sharp of sight.
perspicaciously adv. (Figurative) With acute discernment; keenly; with mental perception.
PERSPICACIOUS adv. clear-minded; astute; perceptive.
PERSPICUOUSNESSperspicuousness n. The state or characteristic of being perspicuous; perspicuity.
PERSPICUOUSNESS n. the state of being perspicuous.
PRECIPITOUSNESSprecipitousness n. The state or quality of being precipitous.
PRECIPITOUSNESS n. the state of being precipitous.
PRESUPPOSITIONSpresuppositions n. Plural of presupposition.
PRESUPPOSITION n. a preliminary supposition.
PSEUDOMORPHISMSpseudomorphisms n. Plural of pseudomorphism.
PSEUDOMORPHISM n. the state of being pseudomorphic.
PSEUDOSCORPIONSpseudoscorpions n. Plural of pseudoscorpion.
PSEUDOSCORPION n. any of various small arachnids of the order Pseudoscorpiones, resembling a scorpion but tailless, and found in soil, leaf litter, bark, etc.
PURPOSIVENESSESpurposivenesses n. Plural of purposiveness.
PURPOSIVENESS n. PURPOSIVE, directed towards an end.
SUPERCARGOSHIPSSUPERCARGOSHIP n. the office of supercargo.
SUPERCOMPUTINGSSUPERCOMPUTING n. computing using a supercomputer, a large very fast mainframe used esp. for scientific computations.
SUPERIMPOSITIONsuperimposition n. The process, or the result of superimposing.
superimposition n. The placing of one image on top of another, especially placing a photograph over some other graphic.
superimposition n. (Philosophy) The building of ontological categories of a higher level on top of categories of a lower level.
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.
SUPPOSITIONLESSSUPPOSITIONLESS adj. without supposition.
UNPREPOSSESSINGunprepossessing adj. Unimpressive or unremarkable; dull and ordinary; nondescript.
UNPREPOSSESSING adj. not creating a favourable impression.

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: 145 words
  • Scrabble in French: 31 words
  • Scrabble in Spanish: 34 words
  • Scrabble in Italian: 21 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 12 words


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