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List of 15-letter words containing

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There are 14 fifteen-letter words containing I, O, P, R, S, T and 2Y

ASTROPHYSICALLYastrophysically adv. With regard to astrophysics.
ASTROPHYSICAL adv. relating to astrophysics.
CHEMOPSYCHIATRYCHEMOPSYCHIATRY n. treatment of mental illness by drugs.
HYDROXYAPATITEShydroxyapatites n. Plural of hydroxyapatite.
HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
HYPERTHYROIDISMhyperthyroidism n. (Medicine) The excessive production of hormones by the thyroid.
hyperthyroidism n. (Pathology) The pathological condition resulting from these excess hormones.
HYPERTHYROIDISM n. excessive functional activity of the thyroid gland.
HYPOCRYSTALLINEhypocrystalline adj. (Geology, of igneous rocks) having both glass and crystalline components.
HYPOCRYSTALLINE adj. of igneous rocks, having both glass and crystalline components.
HYPOTHYROIDISMShypothyroidisms n. Plural of hypothyroidism.
HYPOTHYROIDISM n. deficient activity of the thyroid gland.
HYPSOMETRICALLYhypsometrically adv. By means of, or in terms of, hypsometry.
HYPSOMETRICAL adv. of, relating to, or indicating elevation (as on a map), also HYPSOMETRIC.
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.
ONYCHOCRYPTOSISonychocryptosis n. (Medicine) ingrowing toenail.
ONYCHOCRYPTOSIS n. the condition of having an ingrowing toenail.
ORTHOPSYCHIATRYorthopsychiatry n. (Psychiatry) branch of psychiatry concerned with the prevention of mental illness, especially in the young.
ORTHOPSYCHIATRY n. preventive psychiatry for young people.
POLYCRYSTALLINEpolycrystalline adj. Composed of an aggregate of very small crystals in random orientations.
POLYCRYSTALLINE adj. consisting of crystals variously oriented.
PSYCHOCHEMISTRYpsychochemistry n. The study of the psychological effects of chemicals on the brain.
PSYCHOCHEMISTRY n. the treatment of mental illness by drugs.
SAPROPHYTICALLYsaprophytically adv. In a saprophytic manner.
SAPROPHYTIC adv. relating to a saprophyte.
STEREOTYPICALLYstereotypically adv. In a stereotypical manner or way.
STEREOTYPICAL adv. of or like a stereotype, also STEREOTYPIC.

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: 50 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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