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

CHLOROHYDRINchlorohydrin 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.
ETHNOHISTORYethnohistory n. The history of an indigenous people.
ETHNOHISTORY n. a study of the development of cultures.
HOBBYHORSINGHOBBYHORSE v. of a vessel, to pitch violently.
HOMOIOTHERMYhomoiothermy n. (Biology) Alternative form of homeothermy.
HOMOIOTHERMY n. the maintenance of a constant body temperature, also HOMEOTHERMISM, HOMEOTHERMY, HOMOTHERMY.
HYDROCHLORIChydrochloric adj. (Chemistry) Of or relating to hydrochloric acid.
HYDROCHLORIC adj. applied to an acid composed of hydrogen and chlorine, hydrogen chloride, still sometimes called muriatic acid.
HYDROMORPHIChydromorphic adj. Synonym of hydric (“requiring moisture”).
hydromorphic adj. (Soil science) Formed in the presence of an excess of water.
HYDROMORPHIC adj. developed in the presence of an excess of moisture which tends to suppress aerobic factors in soil-building.
HYDROPHILOUShydrophilous adj. (Biology) That grows or thrives in or near water.
hydrophilous adj. (Botany) That is pollinated by water.
HYDROPHILOUS adj. water-loving; pollinated by agency of water.
HYDROPHOBIAShydrophobias n. Plural of hydrophobia.
HYDROPHOBIA n. the morbid fear of water, as in rabies victims.
HYGROPHILOUShygrophilous adj. (Botany, of a plant) adapted for growth in a damp or wet environment.
HYGROPHILOUS adj. living in water or moist places, also HYGROPHIL.
HYLOMORPHISMhylomorphism n. (Philosophy) The doctrine that every physical substance is the sum of its component matter and the form…
hylomorphism n. (Computer science) Composition of an anamorphism and a catamorphism.
HYLOMORPHISM n. the belief that matter is the cause of the universe.
HYPOCHLORITEhypochlorite n. (Chemistry) any salt of hypochlorous acid; used as a household bleach.
HYPOCHLORITE n. a salt of hypochlorous acid.
HYPOCHONDRIAhypochondria n. (Medicine) A psychological disorder characterized by excessive preoccupation or worry about having a serious illness.
hypochondria n. (Obsolete, medicine) Melancholy; depression.
hypochondria n. Plural of hypochondrium.
HYPOTHYROIDSHYPOTHYROID n. someone suffering from hypothyroidism.
HYPOTROCHOIDhypotrochoid n. (Geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates…
HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle.
HYPSOCHROMIChypsochromic adj. (Physics) Of a change in the position of a spectral band, to a higher frequency.
HYPSOCHROMIC adj. relating to a hypsochrome, a shift to a shorter wavelength in the absorption spectrum of a compound.
ORNITHOPHILYornithophily n. Pollination by birds.
ORNITHOPHILY n. pollination by birds.
RHYTHMOPOEIArhythmopoeia n. The art of composing rhythmically.
rhythmopœia n. Obsolete typography of rhythmopoeia.
RHYTHMOPOEIA n. the art of composing rhythmically.
THYROTROPHICthyrotrophic adj. That stimulates the thyroid gland.
thyrotrophic adj. Of or pertaining to thyrotropism.
THYROTROPHIC adj. exerting or characterized by a direct influence on the secretory activity of the thyroid gland, also THYROTROPIC.
THYROTROPHINthyrotrophin n. Alternative form of thyrotropin.
THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN.
TRICHOPHYTONtrichophyton n. Any member of the fungus genus Trichophyton.
Trichophyton prop.n. A taxonomic genus within the family Arthrodermataceae – fungi that are parasitic in the skin and hair…
TRICHOPHYTON n. any fungus of the genus Trichophyton, causing ringworm.

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: 67 words
  • Scrabble in French: 7 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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