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List of 15-letter words containing

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There are 13 fifteen-letter words containing A, D, 2E, H, I, T and Y

CYPROHEPTADINEScyproheptadines n. Plural of cyproheptadine.
CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies.
DECIPHERABILITYdecipherability n. (Uncountable) The condition of being decipherable.
decipherability n. (Countable) The extent to which something can be deciphered.
DECIPHERABILITY n. the quality of being decipherable.
DEHYDROGENATINGdehydrogenating v. Present participle of dehydrogenate.
dehydrogenating adj. That undergoes or produces dehydrogenation.
DEHYDROGENATE v. to remove the hydrogen from.
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.
DIMENHYDRINATESdimenhydrinates n. Plural of dimenhydrinate.
DIMENHYDRINATE n. a crystalline antihistamine used esp. to prevent nausea, as in motion sickness.
DIMETHYLANILINEdimethylaniline n. (Organic chemistry) The tertiary amine C6H5N(CH3)2 used in the manufacture of the explosive tetryl.
DIMETHYLANILINE n. an oily liquid, aniline heated with methyl alcohol and hydrochloric acid, from which dyes are obtained.
DISHEARTENINGLYdishearteningly adv. In a disheartening manner.
DISHEARTENING adv. DISHEARTEN, to cause to lose spirit or morale.
ENDOTHERMICALLYendothermically adv. In an endothermic manner.
ENDOTHERMIC adv. characterized by or formed with absorption of heat, also ENDOTHERMAL.
HYPERSTIMULATEDhyperstimulated v. Simple past tense and past participle of hyperstimulate.
HYPERSTIMULATE v. to stimulate excessively.
HYPERVENTILATEDhyperventilated v. Simple past tense and past participle of hyperventilate.
HYPERVENTILATE v. to breathe rapidly and deeply.
LYMPHADENITISESlymphadenitises n. Plural of lymphadenitis.
LYMPHADENITIS n. inflammation of the lymph nodes.
METHYLPHENIDATEmethylphenidate n. (Medicine) A stimulant used to treat attention deficit hyperactivity disorder and narcolepsy, better…
METHYLPHENIDATE n. a stimulant used in treating attention deficit disorder.
RADIOTELEGRAPHYradiotelegraphy n. The process and techniques of sending telegrams using radio waves rather than wires.
radio␣telegraphy n. The transmission of Morse code (etc) using radio.
RADIOTELEGRAPHY n. signalling by radiotelegraph, wireless telegraphy.

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: 160 words
  • Scrabble in French: 27 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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