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There are 19 twelve-letter words containing 2H, M, 2O and Y

CHLOROPHYTUMCHLOROPHYTUM n. any plant of the genus Chlorophytum, grown as pot plants for their long narrow leaves.
HETEROMORPHYheteromorphy n. (Biology) The state or quality of being heteromorphic; heteromorphism.
HETEROMORPHY n. dissimilarity in shape, structure, or magnitude.
HOLOPHYTISMSHOLOPHYTISM n. the property of being holophytic, obtaining food by photosynthesis.
HOMOEOMORPHYhomœomorphy n. Obsolete form of homoeomorphy.
HOMOEOMORPHY n. the state of being homoeomorphy.
HOMOIOTHERMYhomoiothermy n. (Biology) Alternative form of homeothermy.
HOMOIOTHERMY n. the maintenance of a constant body temperature, also HOMEOTHERMISM, HOMEOTHERMY, HOMOTHERMY.
HONEYMONTHEDHONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON.
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.
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.
HYMENOPHOREShymenophores n. Plural of hymenophore.
HYMENOPHORE n. the fruiting body of some basidiomycetous fungi.
HYPSOCHROMESHYPSOCHROME n. a shift to a shorter wavelength in the absorption spectrum of a compound.
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.
METHOXYCHLORmethoxychlor n. (Organic chemistry) A synthetic organochlorine used as an insecticide.
METHOXYCHLOR n. a relatively nontoxic organochlorine insecticide.
MORPHOGRAPHYmorphography n. Descriptive morphology.
MORPHOGRAPHY n. a morphological description or study.
PHYTOCHROMESphytochromes n. Plural of phytochrome.
PHYTOCHROME n. a plant pigment which absorbs red or infrared rays and acts as an enzyme controlling growth.
PHYTOHORMONEphytohormone n. A plant hormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
PYTHONOMORPHpythonomorph n. Any large extinct reptile of the taxon Pythonomorpha.
pythonomorph n. Any member of the taxon Pythonomorpha.
PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs.
RHYTHMOPOEIArhythmopoeia n. The art of composing rhythmically.
rhythmopœia n. Obsolete typography of rhythmopoeia.
RHYTHMOPOEIA n. the art of composing rhythmically.
SPHYGMOPHONEsphygmophone n. (Physiology) An electrical instrument for determining by ear the rhythm of the pulse of a person at a distance.
SPHYGMOPHONE n. an instrument for hearing the pulse.
THERMOCHROMYthermochromy n. The property possessed by heat of being composed, like light, of rays of different degrees of refrangibility…
THERMOCHROMY n. a phenomenon in which certain dyes made from liquid crystals change colour reversibly when their temperature is change, also THERMOCHROMISM.

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: 66 words
  • Scrabble in French: 5 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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