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List of 15-letter words containing

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There are 20 fifteen-letter words containing A, 2E, 2N, P and Y

CONTEMPORANEITYcontemporaneity n. The state or characteristic of being contemporaneous.
CONTEMPORANEITY n. the state of being contemporaneous.
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.
DIPHENHYDRAMINEdiphenhydramine n. (Pharmacology) An antihistamine and anticholinergic drug that blocks the effect of histamine at H1 receptor…
DIPHENHYDRAMINE n. a type of antihistamine.
EPIPHENOMENALLYepiphenomenally adv. In an epiphenomenal manner.
EPIPHENOMENAL adv. of or relating to an epiphenomenon.
INTERPERSONALLYinterpersonally adv. In an interpersonal way.
INTERPERSONAL adv. relating to relations between persons.
MYELENCEPHALONSMYELENCEPHALON n. the posterior part of the developing vertebrate hindbrain or the corresponding part of the adult brain composed of the medulla oblongata.
OXYPHENBUTAZONEoxyphenbutazone n. (Pharmacology) A metabolite of phenylbutazone.
OXYPHENBUTAZONE n. a phenylbutazone derivative having antiinflammatory, analgesic, and antipyretic effects.
PHENETHYLAMINESphenethylamines n. Plural of phenethylamine.
PHENYLBUTAZONESphenylbutazones n. Plural of phenylbutazone.
PHENYLBUTAZONE n. a drug formerly used as an analgesic, but now largely restricted to veterinary use.
PHENYLKETONURIAphenylketonuria n. (Medicine) A metabolic disorder in which individuals lack the liver enzyme phenylalanine hydroxylase…
PHENYLKETONURIA n. an inherited metabolic disorder in infants.
PLENIPOTENTIARYplenipotentiary n. A person invested with full powers, especially as the diplomatic agent of a sovereign state, (originally)…
plenipotentiary adj. Invested with full power.
plenipotentiary adj. Of or relating to a plenipotentiary agent.
PREMILLENNIALLYpremillennially adv. Before the millennium.
PREMILLENNIAL adv. coming before a millennium.
PSEUDOPREGNANCYpseudopregnancy n. Pseudocyesis or false pregnancy.
pseudopregnancy n. The persistence of the corpus luteum following infertile copulation in some mammals.
PSEUDOPREGNANCY n. false pregnancy.
ROENTGENOGRAPHYroentgenography n. Radiography; The production of roentgenograms.
ROENTGENOGRAPHY n. radiography.
RONTGENOTHERAPYRONTGENOTHERAPY n. treatment by X-rays.
SEPTENTRIONALLYseptentrionally adv. (Obsolete, nonce word) northerly.
SEPTENTRIONAL adv. (obsolete) northern, also SEPTENTRIAL.
TRIPHENYLAMINEStriphenylamines n. Plural of triphenylamine.
TRIPHENYLAMINE n. a crystalline compound corresponding to ammonia with all the hydrogen replaced by phenyl.
UNDEPENDABILITYundependability n. The quality of being undependable.
UNEXCEPTIONABLYunexceptionably adv. In an unexceptionable manner.
UNEXCEPTIONABLE adv. not open to objection or criticism.
UNEXCEPTIONALLYunexceptionally adv. In an unexceptional manner.
UNEXCEPTIONAL adv. not out of the ordinary.

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: 168 words
  • Scrabble in French: 17 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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