List of 15-letter words containing •••••••

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There are 17 fifteen-letter words containing E, I, N, O, 2P, R and Y

CYPROHEPTADINES	• cyproheptadines n. Plural of cyproheptadine. • CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies.
HEMATOPORPHYRIN	• hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins.
HYPERPOLARISING	• hyperpolarising v. Present participle of hyperpolarise. • HYPERPOLARISE v. to increase the difference in electric potential across a cell membrane, also HYPERPOLARIZE.
HYPERPOLARIZING	• hyperpolarizing v. Present participle of hyperpolarize. • HYPERPOLARIZE v. to produce an increase in potential difference across a biological membrane, also HYPERPOLARISE.
HYPERPRODUCTION	• hyperproduction n. Excessive production. • HYPERPRODUCTION n. excessive production.
HYPERRESPONSIVE	• hyperresponsive adj. Involving an abnormally high degree of responsiveness. • HYPERRESPONSIVE adj. excessively responsive.
HYPNOTHERAPISTS	• hypnotherapists n. Plural of hypnotherapist. • HYPNOTHERAPIST n. one who practises hypnotherapy.
INAPPROPRIATELY	• inappropriately adv. In an inappropriate manner. • INAPPROPRIATE adv. not appropriate, also UNAPPROPRIATE.
NEUROHYPOPHYSIS	• neurohypophysis 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.
PHARYNGOSCOPIES	• pharyngoscopies n. Plural of pharyngoscopy. • PHARYNGOSCOPY n. examination of the pharynx.
PLENIPOTENTIARY	• plenipotentiary 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.
PORPHYROGENITES	• porphyrogenites n. Plural of porphyrogenite. • PORPHYROGENITE n. a Byzantine emperor's son, born in the purple.
PREPOSITIONALLY	• prepositionally adv. In a prepositional manner. • prepositionally adv. As a preposition. • PREPOSITIONAL adv. relating to a preposition.
PREPOSSESSINGLY	• prepossessingly adv. In a prepossessing manner. • PREPOSSESSING adv. creating a favorable impression; attractive.
PROPORTIONATELY	• proportionately adv. In a proportionate manner; with due proportion; proportionally. • PROPORTIONATE adv. in proportion.
SEMIPORNOGRAPHY	• semipornography n. Material that is partly or somewhat pornographic. • SEMIPORNOGRAPHY n. material approaching the pornographic.
SULPHINPYRAZONE	• sulphinpyrazone 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: 159 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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