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There are 15 fifteen-letter words containing H, L, 2N, O, S, T and Y

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.
DIPHENYLKETONESdiphenylketones n. Plural of diphenylketone.
DIPHENYLKETONE n. the aromatic ketone benzophenone.
HALFPENNYWORTHShalfpennyworths n. Plural of halfpennyworth.
HALFPENNYWORTH n. as much as is sold for a halfpenny or is worth a halfpenny.
HYPERINFLATIONShyperinflations n. Plural of hyperinflation.
HYPERINFLATION n. inflation growing at a very high rate in a very short time.
LABYRINTHODONTSlabyrinthodonts n. Plural of labyrinthodont.
LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
METHYLTHIONINESMETHYLTHIONINE n. as in methylthionine chloride, a dark green dye used as a stain, antiseptic etc.
NONHISTORICALLYnonhistorically adv. In a nonhistorical manner.
NONHYSTERICALLYSorry, definition not available.
NONTHEISTICALLYSorry, definition not available.
NUCLEOSYNTHESESnucleosyntheses n. Plural of nucleosynthesis.
NUCLEOSYNTHESIS n. the production of a chemical element from simpler nuclei, as of hydrogen, esp. in a star.
NUCLEOSYNTHESISnucleosynthesis n. (Physics, astronomy) Any of several processes that lead to the synthesis of heavier atomic nuclei.
NUCLEOSYNTHESIS n. the production of a chemical element from simpler nuclei, as of hydrogen, esp. in a star.
NUCLEOSYNTHETICnucleosynthetic adj. Of or pertaining to nucleosynthesis.
NUCLEOSYNTHETIC adj. relating to nucleosynthesis.
PHENYLBUTAZONESphenylbutazones n. Plural of phenylbutazone.
PHENYLBUTAZONE n. a drug formerly used as an analgesic, but now largely restricted to veterinary use.
PHTHALOCYANINESphthalocyanines n. Plural of phthalocyanine.
PHTHALOCYANINE n. any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANIN.
SYNCHRONISTICALSYNCHRONISTICAL adj. relating to synchronism, also SYNCHRONISTIC.

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: 55 words
  • Scrabble in French: 6 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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