List of 12-letter words containing ••••••

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There are 20 twelve-letter words containing H, I, N, O, 2R and Y

CHIRURGEONLY	• chirurgeonly adj. (Archaic) having the characteristics of a chirurgeon (doctor or surgeon). • CHIRURGEONLY adj. (obsolete) in the manner becoming a chirurgeon, a surgeon.
CHLOROHYDRIN	• chlorohydrin n. (Organic chemistry) Any halohydrin in which the halogen is chlorine. • CHLOROHYDRIN n. any of various organic compounds derived from diols or polyhydroxy alcohols by substitution of chlorine for part of the hydroxyl groups.
CHRYSAROBINS	• chrysarobins n. Plural of chrysarobin. • CHRYSAROBIN n. goa powder, a bitter yellow powder obtained from a Brazilian tree, used as a purgative and in the treatment of skin disease.
CRINGEWORTHY	• cringeworthy adj. (Colloquial) That causes one to cringe with embarrassment; embarrassing. • CRINGEWORTHY adj. causing extreme embarrassment.
ERYTHROMYCIN	• erythromycin n. (Pharmacology) A broad-spectrum macrolide antibiotic C₃₇H₆₇NO₁₃ produced by an actinomycete Saccharopolyspora… • ERYTHROMYCIN n. a broad-spectrum antibiotic produced by an actinomycete and administered orally or topically.
ERYTHRONIUMS	• ERYTHRONIUM n. any plant of the bulbous genus Erythronium, with decoratively mottled leaves and cyclamen-like flowers.
ERYTHROPENIA	• erythropenia n. A decrease in the number of erythrocytes, associated with anemia. • ERYTHROPENIA n. diminution below the normal of the number of red cells in the blood.
ERYTHROSINES	• erythrosines n. Plural of erythrosine. • ERYTHROSINE n. a red substance formed by the oxidation of tyrosine, also ERYTHROSIN.
HORRIFYINGLY	• horrifyingly adv. In a horrifying manner. • HORRIFYING adv. HORRIFY, to cause a reaction of horror.
HYDROFORMING	• hydroforming n. (Engineering) A cost-effective way of shaping malleable metals into lightweight, stiff pieces by means… • hydroforming n. (Organic chemistry) The reaction of petroleum with hydrogen. • HYDROFORMING n. the catalytic reforming of petroleum to increase the proportion of aromatic and branched-chain hydrocarbons.
PHRONTISTERY	• phrontistery n. A place for thinking. • phrontistery n. (Humorous) The toilet; the lavatory. • phrontistery n. An establishment devoted to education or study.
PORPHYROPSIN	• porphyropsin n. Any of a group of purple carotenoid pigments, similar to rhodopsin, in the retinas of some fish. • PORPHYROPSIN n. a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin.
PYRITOHEDRON	• pyritohedron n. (Mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons. • pyritohedron n. (Mineralogy) The shape of one of the crystal habits of pyrite. • PYRITOHEDRON n. a pentagonal dodecahedron.
REHYDRATIONS	• rehydrations n. Plural of rehydration. • REHYDRATION n. the act of rehydrating.
SYNARTHROSIS	• synarthrosis n. (Anatomy) A type of joint in which two bones are connected rigidly by fibrous tissue. • SYNARTHROSIS n. the fixed articulation of bones.
SYNCHRONISER	• synchroniser n. Alternative form of synchronizer. • SYNCHRONISER n. one who synchronises, also SYNCHRONIZER.
SYNCHRONIZER	• synchronizer n. One who or that which synchronizes. • SYNCHRONIZER n. one who synchronizes, also SYNCHRONISER.
THYROTROPHIN	• thyrotrophin n. Alternative form of thyrotropin. • THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN.
THYROTROPINS	• thyrotropins n. Plural of thyrotropin. • THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN.
TYROTHRICINS	• tyrothricins n. Plural of tyrothricin. • TYROTHRICIN n. an antibiotic mixture consisting chiefly of tyrocidine and gramicidin and used topically especially against gram-positive bacteria.

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: 100 words
Scrabble in French: 13 words
Scrabble in Spanish: no word
Scrabble in Italian: 1 word
Scrabble in German: no word
Scrabble in Romanian: no word

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