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List of 15-letter words containing

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There are 17 fifteen-letter words containing 3E, L, 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.
HYPERVELOCITIEShypervelocities n. Plural of hypervelocity.
HYPERVELOCITY n. a high or relatively high velocity, as thousands of feet or meters per second.
HYPERVENTILATEDhyperventilated v. Simple past tense and past participle of hyperventilate.
HYPERVENTILATE v. to breathe rapidly and deeply.
HYPERVENTILATEShyperventilates v. Third-person singular simple present indicative form of hyperventilate.
HYPERVENTILATE v. to breathe rapidly and deeply.
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.
OVEREMPLOYMENTSOVEREMPLOYMENT n. the situation where workers cannot reduce the time or the number of hours they spend earning an income.
PHENETHYLAMINESphenethylamines n. Plural of phenethylamine.
POLYELECTROLYTEpolyelectrolyte n. A polymeric electrolyte (such as a protein).
POLYELECTROLYTE n. a jellylike plastic compounded of two polymers, one charged positively and one negatively.
PREFERENTIALITYpreferentiality n. The condition of being preferential.
PREFERENTIALITY n. the state of being preferential.
RETROSPECTIVELYretrospectively adv. In a retrospective manner.
RETROSPECTIVE adv. looking back.
TELETYPESETTINGTELETYPESETTING n. typesetting by use of a Teletypesetter.
TELETYPEWRITERSteletypewriters n. Plural of teletypewriter.
TELETYPEWRITER n. a printing device resembling a typewriter that is used to send and receive telephonic signals.
TEMPERAMENTALLYtemperamentally adv. In a temperamental manner.
temperamentally adv. (Not comparable) By one’s temperament.
TEMPERAMENTAL adv. relating to temperament.
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: 157 words
  • Scrabble in French: 11 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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