List of 15-letter words containing ••••

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There are 16 fifteen-letter words containing 2H, M, N and Y

ANTIARRHYTHMICS	• antiarrhythmics n. Plural of antiarrhythmic. • ANTIARRHYTHMIC n. a drug to prevent cardiac arrhythmia.
DIPHENHYDRAMINE	• diphenhydramine n. (Pharmacology) An antihistamine and anticholinergic drug that blocks the effect of histamine at H₁ receptor… • DIPHENHYDRAMINE n. a type of antihistamine.
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.
HYDROMECHANICAL	• hydromechanical adj. Of or pertaining to hydromechanics. • HYDROMECHANICAL adj. relating to a branch of mechanics that deals with the equilibrium and motion of fluids and of solid bodies immersed in them.
HYPOCHONDRIASMS	• HYPOCHONDRIASM n. hypochondria.
HYPOMENORRHOEAS	• hypomenorrhoeas n. Plural of hypomenorrhoea. • HYPOMENORRHOEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHEA.
LYMPHADENOPATHY	• lymphadenopathy n. (Medicine) An abnormal enlargement of the lymph nodes; it is often a nonspecific sign of infection but… • LYMPHADENOPATHY n. abnormal enlargement of the lymph nodes.
METHYLPHENIDATE	• methylphenidate n. (Medicine) A stimulant used to treat attention deficit hyperactivity disorder and narcolepsy, better… • METHYLPHENIDATE n. a stimulant used in treating attention deficit disorder.
METHYLTHIONINES	• METHYLTHIONINE n. as in methylthionine chloride, a dark green dye used as a stain, antiseptic etc.
METHYLXANTHINES	• methylxanthines n. Plural of methylxanthine. • METHYLXANTHINE n. a methylated xanthine derivative, such as caffeine, theobromine, or theophylline.
MORPHOPHONOLOGY	• morphophonology n. A branch of linguistics concerned with phonemes, and the phonological representation of morphemes. • MORPHOPHONOLOGY n. the study of the phonemic shape and the phonological representation of a language's morphemes.
PHENETHYLAMINES	• phenethylamines n. Plural of phenethylamine.
PLATYHELMINTHIC	• platyhelminthic adj. Of or relating to the platyhelminths. • PLATYHELMINTHIC adj. of or like a platyhelminth.
RHOMBENPORPHYRS	• RHOMBENPORPHYR n. an intermediate, moderately fine-grained igneous rock with feldspar phenocrysts rhombic in section, also RHOMBENPORPHYRY, RHOMBPORPHYRY.
RHOMBENPORPHYRY	• RHOMBENPORPHYRY n. an intermediate, moderately fine-grained igneous rock with feldspar inclusions, also RHOMBENPORPHYR, RHOMBPORPHYRY.
THIRTYSOMETHING	• thirtysomething n. A tricenarian: a person in their thirties, a person aged between 30 and 39 years (inclusive). • thirtysomething adj. Between 30 and 39 years of age. • thirtysomething adj. Between 30 and 39 in number.

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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English Wiktionary: 115 words
Scrabble in French: 3 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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