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There are 16 fifteen-letter words containing E, H, I, N, O, 2P and Y

ADENOHYPOPHYSISadenohypophysis n. (Anatomy) The anterior lobe of the pituitary gland, producing and secreting several peptide hormones…
ADENOHYPOPHYSIS n. the anterior glandular lobe of the pituitary gland.
CYPROHEPTADINEScyproheptadines n. Plural of cyproheptadine.
CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies.
EPIPHENOMENALLYepiphenomenally adv. In an epiphenomenal manner.
EPIPHENOMENAL adv. of or relating to an epiphenomenon.
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.
HYPERPRODUCTIONhyperproduction n. Excessive production.
HYPERPRODUCTION n. excessive production.
HYPERRESPONSIVEhyperresponsive adj. Involving an abnormally high degree of responsiveness.
HYPERRESPONSIVE adj. excessively responsive.
HYPNOTHERAPISTShypnotherapists n. Plural of hypnotherapist.
HYPNOTHERAPIST n. one who practises hypnotherapy.
LYMPHOCYTOPENIAlymphocytopenia n. (Pathology) An abnormally low level of lymphocytes in the blood.
LYMPHOCYTOPENIA n. an abnormally low level of lymphocytes in the blood.
NEUROHYPOPHYSISneurohypophysis n. (Anatomy) The posterior lobe of the pituitary gland, responsible for the release of oxytocin and antidiuretic…
NEUROHYPOPHYSIS n. the portion of the pituitary gland that is composed of the infundibulum and posterior lobe and is concerned with the secretion of various hormones.
PHARYNGOSCOPIESpharyngoscopies n. Plural of pharyngoscopy.
PHARYNGOSCOPY n. examination of the pharynx.
PHYTOPATHOGENICphytopathogenic adj. Pathogenic to plants.
PHYTOPATHOGENIC adj. of or like a phytopathogen.
PORPHYROGENITESporphyrogenites n. Plural of porphyrogenite.
PORPHYROGENITE n. a Byzantine emperor's son, born in the purple.
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.

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: 147 words
  • Scrabble in French: 13 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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