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There are 15 fifteen-letter words containing N, O, P, R, S, T, U and Y

NEUROPLASTICITYneuroplasticity n. The state or quality of being neuroplastic, of having a brain that adapts to experience.
NEUROPSYCHIATRYneuropsychiatry n. (Medicine) The branch of medicine dealing with disorders that have both neurological and psychiatric features.
NEUROPSYCHIATRY n. a branch of medicine concerned with both neurology and psychiatry.
PHENYLTHIOUREASphenylthioureas n. Plural of phenylthiourea.
PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene).
POLYUNSATURATEDpolyunsaturated adj. (Chemistry) Of or relating to long chain organic compounds that have multiple double bonds; polyunsaturated…
polyunsaturated adj. (Nutrition, of a fat or oil) Having a chemical structure that does not easily change into cholesterol…
POLYUNSATURATED adj. having many double or triple bonds in a molecule.
POLYUNSATURATESpolyunsaturates n. Plural of polyunsaturate.
POLYUNSATURATE n. a fat that is polyunsaturated.
PROSENCHYMATOUSprosenchymatous adj. Relating to the prosenchyma.
PROSENCHYMATOUS adj. relating to prosenchyma, supporting plant tissue containing little protoplasm.
PSYCHONEUROTICSpsychoneurotics n. Plural of psychoneurotic.
PSYCHONEUROTIC n. one suffering from a psychoneurosis.
SAUROPTERYGIANSsauropterygians n. Plural of sauropterygian.
SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs.
SERENDIPITOUSLYserendipitously adv. By serendipity; by blind luck in combination with wisdom; by fortunate accident.
SERENDIPITOUS adv. obtained or characterized by serendipity.
SLUMPFLATIONARYslumpflationary adj. Relating to slumpflation.
SLUMPFLATIONARY adj. relating to slumpflation.
SUPERHETERODYNEsuperheterodyne adj. (Electronics) Pertaining to a technique used in radio and television receivers to tune to a particular…
superheterodyne n. A receiver of this kind.
SUPERHETERODYNE n. applied to radio reception in which oscillations of slightly different frequency are imposed on the received oscillations, producing beats of a frequency above audio-frequency which are easily amplified.
SUPERNATIONALLYsupernationally adv. In a way that spans nations; above or beyond what is national.
SUPERNATIONAL adv. overriding national sovereignty; in or belonging to more than one nation.
SUPRANATIONALLYsupranationally adv. In a supranational way.
SUPRANATIONAL adv. transcending national boundaries, authority, or interests.
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.
UNPRETENTIOUSLYunpretentiously adv. In a manner that is not pretentious; sincerely, without affectation.
UNPRETENTIOUS adv. free from pretension.

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: 121 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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