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There are 20 fifteen-letter words containing A, H, 2N, 2O, T and Y

ANTIPORNOGRAPHYantipornography adj. Opposed to the distribution and consumption of pornography.
ANTIPORNOGRAPHY adj. opposed to pornography.
CYANOETHYLATIONcyanoethylation n. (Organic chemistry) Any reaction, or treatment, with acrylonitrile, especially such treatment of cotton…
CYANOETHYLATION n. the act of introducing a cyano-ethyl group into a compound.
DEHYDROGENATIONdehydrogenation n. (Chemistry) Any reaction or process in which hydrogen is removed from a substance, especially the production…
DEHYDROGENATION n. the removal of hydrogen from a chemical compound.
DEHYPNOTISATIONDEHYPNOTISATION n. the process of dehypnotising, also DEHYPNOTIZATION.
DEHYPNOTIZATIONdehypnotization n. The process of bringing somebody out of hypnotic trance.
DEHYPNOTIZATION n. the process of dehypnotizing, also DEHYPNOTISATION.
HYDROGENISATIONhydrogenisation n. Alternative form of hydrogenization.
HYDROGENISATION n. the process of hydrogenising, also HYDROGENIZATION.
HYDROGENIZATIONhydrogenization n. Alternative form of hydrogenation.
HYDROGENIZATION n. the process of hydrogenizing, also HYDROGENISATION.
HYPOVENTILATIONhypoventilation n. (Medicine) Respiratory depression, occurring when ventilation is inadequate to perform the necessary…
HYPOVENTILATION n. abnormally decreased speed and depth of breathing.
LABYRINTHODONTSlabyrinthodonts n. Plural of labyrinthodont.
LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
NONCARBOHYDRATEnoncarbohydrate n. (Often attributive) Any material that is not a carbohydrate.
NONCARBOHYDRATE adj. relating to something that is not a carbohydrate.
NONHISTORICALLYnonhistorically adv. In a nonhistorical manner.
NONPSYCHOACTIVEnonpsychoactive adj. Not psychoactive.
NORTHCOUNTRYMANnorth␣countryman n. Someone from the north of England.
NORTHCOUNTRYMAN n. one living in the north.
OXYPHENBUTAZONEoxyphenbutazone n. (Pharmacology) A metabolite of phenylbutazone.
OXYPHENBUTAZONE n. a phenylbutazone derivative having antiinflammatory, analgesic, and antipyretic effects.
PHYTOPLANKTONICphytoplanktonic adj. Pertaining to, or derived from, phytoplankton.
PHYTOPLANKTONIC adj. relating to phytoplankton.
ROENTGENOGRAPHYroentgenography n. Radiography; The production of roentgenograms.
ROENTGENOGRAPHY n. radiography.
RONTGENOTHERAPYRONTGENOTHERAPY n. treatment by X-rays.
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.
THYROCALCITONINthyrocalcitonin n. (Biochemistry) Alternative form of calcitonin.
THYROCALCITONIN n. a hormone secreted by the thyroid gland, controlling the rate of bone destruction.

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: 136 words
  • Scrabble in French: 5 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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