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List of 15-letter words containing

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There are 18 fifteen-letter words containing H, 2N, 2O, S and Y

ANDROGYNOPHORESandrogynophores n. Plural of androgynophore.
ANDROGYNOPHORE n. another name for the androphore, a support or column on which stamens are raised.
CHOLECYSTOKININcholecystokinin n. (Biochemistry) Any of several peptide hormones that stimulate the digestion of fat and protein; abbreviated to CCK.
CHOLECYSTOKININ n. a hormone secreted esp. by the duodenal mucosa that regulates the emptying of the gallbladder and secretion of enzymes by the pancreas and that has been found in the brain.
DEHYPNOTISATIONDEHYPNOTISATION n. the process of dehypnotising, also DEHYPNOTIZATION.
HYDROGENISATIONhydrogenisation n. Alternative form of hydrogenization.
HYDROGENISATION n. the process of hydrogenising, also HYDROGENIZATION.
HYPERSOMNOLENCEhypersomnolence n. (Medicine) Excessive sleepiness.
HYPERSOMNOLENCE n. the state of being excessively sleepy.
LABYRINTHODONTSlabyrinthodonts n. Plural of labyrinthodont.
LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
NONHISTORICALLYnonhistorically adv. In a nonhistorical manner.
NONHOMOSEXUALLYSorry, definition not available.
NONPSYCHOACTIVEnonpsychoactive adj. Not psychoactive.
ODONTORHYNCHOUSODONTORHYNCHOUS adj. of birds, having toothlike ridges inside the beak.
ORNITHORHYNCHUSornithorhynchus n. A platypus (genus Ornithorhynchus).
Ornithorhynchus prop.n. A taxonomic genus within the family Ornithorhynchidae – the single species Ornithorhynchus anatinus…
ORNITHORHYNCHUS n. the duckbill platypus.
POSTSYNCHRONISEPOSTSYNCHRONISE v. to add sound, such as dubbing, to a film or video after shooting is completed, also POSTSYNCHRONIZE.
POSTSYNCHRONIZEPOSTSYNCHRONIZE v. to add sound, such as dubbing, to a film or video after shooting is completed, also POSTSYNCHRONISE.
SYNCHRONISATIONsynchronisation n. Non-Oxford British spelling standard spelling of synchronization.
SYNCHRONISATION n. the act of synchronising, also SYNCHRONIZATION.
SYNCHRONIZATIONsynchronization n. The state or property of being synchronized.
synchronization n. (Military) The arrangement of military actions in time, space, and purpose to produce maximum relative…
SYNCHRONIZATION n. the act of synchronizing, also SYNCHRONISATION.
SYNCHRONOLOGIESsynchronologies n. Plural of synchronology.
SYNCHRONOLOGY n. a chronological arrangement side by side.
SYNCHRONOSCOPESSYNCHRONOSCOPE n. an instrument used to indicate whether two periodic quantities or motions are synchronous.
SYNCHRONOUSNESSsynchronousness n. Synchronicity.
SYNCHRONOUSNESS n. the state of being synchronous.

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: 147 words
  • Scrabble in French: 14 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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