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There are 13 fifteen-letter words containing D, 3E, N, P, T and Y

CYCLOPENTADIENEcyclopentadiene n. (Organic chemistry) an unsaturated alicyclic hydrocarbon, C5H6; it forms complexes with some transition…
CYCLOPENTADIENE n. a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar, used in the manufacture of plastics and insecticides.
DEVELOPMENTALLYdevelopmentally adv. In terms of development.
DEVELOPMENTAL adv. relating to development.
DIPHENYLKETONESdiphenylketones n. Plural of diphenylketone.
DIPHENYLKETONE n. the aromatic ketone benzophenone.
HYPERENDEMICITYhyperendemicity n. The quality of being hyperendemic.
HYPERSENSITISEDhypersensitised v. Simple past tense and past participle of hypersensitise.
HYPERSENSITISE v. to make hypersensitive, also HYPERSENSITIZE.
HYPERSENSITIZEDhypersensitized v. Simple past tense and past participle of hypersensitize.
hypersensitized adj. Made hypersensitive.
HYPERSENSITIZE v. to make hypersensitive, also HYPERSENSITISE.
HYPERVENTILATEDhyperventilated v. Simple past tense and past participle of hyperventilate.
HYPERVENTILATE v. to breathe rapidly and deeply.
INTERDEPENDENCYinterdependency n. A mutual dependence, connection or correlation.
INTERDEPENDENCY n. the state of being interdependent, also INTERDEPENDENCE.
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.
SUPERHETERODYNEsuperheterodyne adj. (Electronics) Pertaining to a technique used in radio and television receivers to tune to a particular…
superheterodyne n. A receiver of this kind.
SUPERHETERODYNE n. applied to radio reception in which oscillations of slightly different frequency are imposed on the received oscillations, producing beats of a frequency above audio-frequency which are easily amplified.
SUPERINTENDENCYsuperintendency n. (Uncountable) The condition of being a superintendent.
superintendency n. (Countable) The act of superintending.
SUPERINTENDENCY n. the act or function of superintending or directing, also SUPERINTENDENCE.
UNDEREMPLOYMENTunderemployment n. The condition of being underemployed.
UNDEREMPLOYMENT n. the condition in which people in a labor force are employed at less than full-time or regular jobs or at jobs inadequate with respect to their training or economic needs.
UNPRECEDENTEDLYunprecedentedly adv. In an unprecedented manner.
UNPRECEDENTED adv. having no precedent.

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: 56 words
  • Scrabble in French: 9 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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