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List of 15-letter words containing

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There are 18 fifteen-letter words containing A, E, N, 2P, R and Y

CYPROHEPTADINEScyproheptadines n. Plural of cyproheptadine.
CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies.
ENCEPHALOGRAPHYencephalography n. (Medicine) An X-ray examination of the brain in which air replaces some of the cerebrospinal fluid to…
ENCEPHALOGRAPHY n. radiography of the brain after the cerebrospinal fluid has been replaced by a gas (as air).
HEMATOPORPHYRINhematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom).
HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins.
HYPERPOLARISINGhyperpolarising v. Present participle of hyperpolarise.
HYPERPOLARISE v. to increase the difference in electric potential across a cell membrane, also HYPERPOLARIZE.
HYPERPOLARIZINGhyperpolarizing v. Present participle of hyperpolarize.
HYPERPOLARIZE v. to produce an increase in potential difference across a biological membrane, also HYPERPOLARISE.
HYPNOTHERAPISTShypnotherapists n. Plural of hypnotherapist.
HYPNOTHERAPIST n. one who practises hypnotherapy.
INAPPROPRIATELYinappropriately adv. In an inappropriate manner.
INAPPROPRIATE adv. not appropriate, also UNAPPROPRIATE.
PALAEONTOGRAPHYpalaeontography n. The description of fossil remains in scientific literature.
palaeontography n. The representation of forms of life represented by fossil remains.
PALAEONTOGRAPHY n. descriptive palaeontology, the description of fossil remains.
PERPENDICULARLYperpendicularly adv. In a perpendicular manner.
PERPENDICULAR adv. at right angles to a line or plane.
PHARYNGOSCOPIESpharyngoscopies n. Plural of pharyngoscopy.
PHARYNGOSCOPY n. examination of the pharynx.
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.
PREPOSITIONALLYprepositionally adv. In a prepositional manner.
prepositionally adv. As a preposition.
PREPOSITIONAL adv. relating to a preposition.
PRESYNAPTICALLYpresynaptically adv. In a presynaptic manner.
PRESYNAPTIC adv. relating to a neuron by which a nerve impulse is conveyed to a synapse.
PROPORTIONATELYproportionately adv. In a proportionate manner; with due proportion; proportionally.
PROPORTIONATE adv. in proportion.
PSEUDOPREGNANCYpseudopregnancy n. Pseudocyesis or false pregnancy.
pseudopregnancy n. The persistence of the corpus luteum following infertile copulation in some mammals.
PSEUDOPREGNANCY n. false pregnancy.
SEMIPORNOGRAPHYsemipornography n. Material that is partly or somewhat pornographic.
SEMIPORNOGRAPHY n. material approaching the pornographic.
SULPHINPYRAZONEsulphinpyrazone n. Alternative form of sulfinpyrazone.
SULPHINPYRAZONE n. a drug used to treat gout.
SUPPLEMENTARILYsupplementarily adv. In a supplementary way; additionally.
SUPPLEMENTARY adv. added or serving as a supplement.

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: 176 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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