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List of 15-letter words containing

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There are 17 fifteen-letter words containing E, L, N, O, S and 2Y

CYANOACETYLENEScyanoacetylenes n. Plural of cyanoacetylene.
CYANOACETYLENE n. a large and complex organic molecule found in interstellar clouds.
CYCLOOXYGENASEScyclooxygenases n. Plural of cyclooxygenase.
cyclo-oxygenases n. Plural of cyclo-oxygenase; Alternative form of cyclooxygenases.
HYDROXYPROLINEShydroxyprolines n. Plural of hydroxyproline.
HYDROXYPROLINE n. an amino acid.
HYPOCRYSTALLINEhypocrystalline adj. (Geology, of igneous rocks) having both glass and crystalline components.
HYPOCRYSTALLINE adj. of igneous rocks, having both glass and crystalline components.
NEUROPHYSIOLOGYneurophysiology n. (Physiology, neuroscience) The branch of physiology that deals with the nervous system.
NEUROPHYSIOLOGY n. the physiology of the nervous system.
NEUROPSYCHOLOGYneuropsychology n. A branch of neurology and of clinical psychology that investigates the physiological basis of psychological processes.
neuropsychology n. The facts uncovered thereby, or the body of knowledge thus produced.
NEUROPSYCHOLOGY n. the study of the relation between brain and behaviour.
NONHYSTERICALLYSorry, definition not available.
POLYCRYSTALLINEpolycrystalline adj. Composed of an aggregate of very small crystals in random orientations.
POLYCRYSTALLINE adj. consisting of crystals variously oriented.
POLYSYNTHESISMSPOLYSYNTHESISM n. the state of being polysynthetic.
POLYSYNTHETICALpolysynthetical adj. Alternative form of polysynthetic.
POLYSYNTHETICAL adj. made up of many separate elements, also POLYSYNTHETIC.
POLYSYNTHETISMSPOLYSYNTHETISM n. the state of being polysynthetic.
POLYVINYLIDENESpolyvinylidenes n. Plural of polyvinylidene.
POLYVINYLIDENE n. any polymer derived from halogen monomers.
PSYCHOANALYSERSpsychoanalysers n. Plural of psychoanalyser.
PSYCHOANALYSER n. one who psychoanalyses, also PSYCHOANALYZER.
PSYCHOANALYZERSpsychoanalyzers n. Plural of psychoanalyzer.
PSYCHOANALYZER n. one who psychoanalyzes, also PSYCHOANALYSER.
PSYCHOGENICALLYpsychogenically adv. In a psychogenic way.
PSYCHOGENIC adv. derived from the mind.
SYNECDOCHICALLYsynecdochically adv. In a synecdochical manner.
SYNECDOCHICAL adv. relating to synecdoche, also SYNECDOCHIC.
SYNECOLOGICALLYsynecologically adv. Regarding synecology.
SYNECOLOGICAL adv. relating to synecology.

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: 107 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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