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List of 12-letter words containing

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There are 19 twelve-letter words containing D, H, O, 2R, S and Y

BOROHYDRIDESborohydrides n. Plural of borohydride.
BOROHYDRIDE n. a compound of boron and hydrogen, used as a reducing agent.
CARBOHYDRASEcarbohydrase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of polysaccharides into simple sugars.
CARBOHYDRASE n. any of a group of enzymes (as amylase) that promote hydrolysis or synthesis of a carbohydrate (as a disaccharide).
CRYOHYDRATEScryohydrates n. Plural of cryohydrate.
CRYOHYDRATE n. a crystalline substance containing water and a salt in definite proportions, a eutectic crystallizing below the freezing point of water.
CRYPTORCHIDScryptorchids n. Plural of cryptorchid.
CRYPTORCHID n. a male human or animal in whom one or both testes fail to descend into the scrotum.
DYSMENORRHEAdysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a symptom#Noun in any of various disorders.
dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a disorder#Noun in its own right…
DYSMENORRHEA n. painful menstruation, also DYSMENORRHOEA.
HORRENDOUSLYhorrendously adv. In a horrendous manner.
HORRENDOUS adv. fearful; frightful.
HYDROCARBONShydrocarbons n. Plural of hydrocarbon.
HYDROCARBON n. a compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal.
HYDROMANCERShydromancers n. Plural of hydromancer.
HYDROMANCER n. one who practises hydromancy.
HYDROMETEORShydrometeors n. Plural of hydrometeor.
HYDROMETEOR n. a general term for the aqueous phenomena of the atmosphere, as rain, snow, sleet, hail.
HYDROMETRIESHYDROMETRY n. the art of determining the specific gravity of liquids, and thence the strength of spirituous liquors, saline solutions, etc.
HYDROSPHEREShydrospheres n. Plural of hydrosphere.
HYDROSPHERE n. the water of the earth.
HYDROSPHERIChydrospheric adj. Relating to the hydrosphere.
HYDROSPHERIC adj. relating to the hydrosphere.
HYDROTROPISMhydrotropism n. (Biology) The movement of a plant (or other organism) in response to water, either towards or away from water.
HYDROTROPISM n. growth in the direction of water.
HYDROXYUREAShydroxyureas n. Plural of hydroxyurea.
HYDROXYUREA n. a drug used to treat some forms of leukemia, melanoma, and malignant tumors.
HYPERIDROSESHYPERIDROSIS n. excessive sweating, also HYPERHIDROSIS.
HYPERIDROSISHYPERIDROSIS n. excessive sweating, also HYPERHIDROSIS.
PARATHYROIDSparathyroids n. Plural of parathyroid.
PARATHYROID n. such a gland.
REHYDRATIONSrehydrations n. Plural of rehydration.
REHYDRATION n. the act of rehydrating.
WORDSMITHERYwordsmithery n. The work of a wordsmith; skilful use of words.
WORDSMITHERY n. the craft of the wordsmith.

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: 75 words
  • Scrabble in French: 19 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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