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List of 12-letter words containing

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There are 18 twelve-letter words containing H, I, M, N, R, S and Y

ASYNCHRONISMasynchronism n. Synonym of asynchrony.
ASYNCHRONISM n. the state of being asynchronous.
CHYLOMICRONSchylomicrons n. Plural of chylomicron.
CHYLOMICRON n. a tiny globule of fat, the form in which fat is carried in blood and chyle.
CHYMOTRYPSINchymotrypsin n. An endopeptidase enzyme that cleaves peptides at the carboxyl side of tyrosine, tryptophan, and phenylalanine…
CHYMOTRYPSIN n. rennin.
ERYTHRONIUMSERYTHRONIUM n. any plant of the bulbous genus Erythronium, with decoratively mottled leaves and cyclamen-like flowers.
GYMNASIARCHSgymnasiarchs n. Plural of gymnasiarch.
GYMNASIARCH n. the head of a gymnasium.
HARMONIOUSLYharmoniously adv. In a harmonious manner; coordinately.
HARMONIOUS adv. musically concordant.
HEMERYTHRINShemerythrins n. Plural of hemerythrin.
HEMERYTHRIN n. an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates.
HYDROMANCIEShydromancies n. Plural of hydromancy.
HYDROMANCY n. divination by the appearance or motion of liquids (as water).
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
HYPERMILINGSHYPERMILING n. the practice of maximizing the fuel economy of a motor vehicle, especially through driving technique and vehicle maintenance.
HYPERMNESIAShypermnesias n. Plural of hypermnesia.
HYPERMNESIA n. abnormally vivid or complete memory or recall of the past.
HYPERSOMNIAShypersomnias n. Plural of hypersomnia.
HYPERSOMNIA n. a pathological tendency to sleep excessively.
HYSTEROMANIAhysteromania n. (Archaic) nymphomania.
hysteromania n. (Archaic) A condition involving both hysteria and mania.
HYSTEROMANIA n. hysterical mania, often marked by erotic delusions and an excessive desire to attract attention.
NINNYHAMMERSninnyhammers n. Plural of ninnyhammer.
NINNYHAMMER n. a ninny, a foolish person.
SHIMMERINGLYshimmeringly adv. In a shimmering manner; while shimmering; so as to shimmer.
SHIMMERINGLY adv. SHIMMERING.
SMOTHERINGLYsmotheringly adv. In a smothering manner; oppressively.
SMOTHERING adv. suffocating.
STRYCHNINISMstrychninism n. Strychnine poisoning.
STRYCHNINISM n. strychnine poisoning, also STRYCHNISM.
SYNCHRONISMSsynchronisms n. Plural of synchronism.
SYNCHRONISM n. the state of being synchronous.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 77 words
  • Scrabble in French: 12 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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