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There are 19 fifteen-letter words containing D, 2E, I, 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.
CYPROHEPTADINEScyproheptadines n. Plural of cyproheptadine.
CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies.
DAGUERREOTYPINGdaguerreotyping v. Present participle of daguerreotype.
DAGUERREOTYPE v. to develop by daguerreotype, a method of photography by mercury vapour development of silver iodide.
DIPHENYLKETONESdiphenylketones n. Plural of diphenylketone.
DIPHENYLKETONE n. the aromatic ketone benzophenone.
ENCYCLOPAEDISTSencyclopaedists n. Plural of encyclopaedist.
encyclopædists n. Plural of encyclopædist.
ENCYCLOPAEDIST n. one who compiles encyclopaedias, also ENCYCLOPEDIST.
EPICONDYLITISESEPICONDYLITIS n. inflammation of the epicondyle.
HYPERENDEMICITYhyperendemicity n. The quality of being hyperendemic.
HYPERMODERNISTShypermodernists n. Plural of hypermodernist.
HYPERMODERNIST n. a practitioner of a hypermodernist style in art.
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.
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.
POLYNUCLEOTIDESpolynucleotides n. Plural of polynucleotide.
POLYNUCLEOTIDE n. a polymeric chain of nucleotides.
SERENDIPITOUSLYserendipitously adv. By serendipity; by blind luck in combination with wisdom; by fortunate accident.
SERENDIPITOUS adv. obtained or characterized by serendipity.
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.
UNDEPENDABILITYundependability n. The quality of being undependable.
UNINTERRUPTEDLYuninterruptedly adv. Without interruption.
UNINTERRUPTED adv. not interrupted.

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: 131 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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