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There are 18 twelve-letter words containing H, I, O, 2R, S, T and Y

COPYRIGHTERScopyrighters n. Plural of copyrighter.
COPYRIGHTER n. one who copyrights.
CRYPTORCHIDScryptorchids n. Plural of cryptorchid.
CRYPTORCHID n. a male human or animal in whom one or both testes fail to descend into the scrotum.
CRYPTORCHISMcryptorchism n. The failure of one or both testes to descend into the scrotum.
CRYPTORCHISM n. a medical condition in which the testes fail to descend, also CRYPTORCHIDISM.
ERYTHRONIUMSERYTHRONIUM n. any plant of the bulbous genus Erythronium, with decoratively mottled leaves and cyclamen-like flowers.
ERYTHROPSIASERYTHROPSIA n. a defect of vision in which objects appear red.
ERYTHROSINESerythrosines n. Plural of erythrosine.
ERYTHROSINE n. a red substance formed by the oxidation of tyrosine, also ERYTHROSIN.
HYDROMETRIESHYDROMETRY n. the art of determining the specific gravity of liquids, and thence the strength of spirituous liquors, saline solutions, etc.
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.
HYGROMETRIESHYGROMETRY n. the science of humidity.
PARATHYROIDSparathyroids n. Plural of parathyroid.
PARATHYROID n. such a gland.
PHRONTISTERYphrontistery n. A place for thinking.
phrontistery n. (Humorous) The toilet; the lavatory.
phrontistery n. An establishment devoted to education or study.
PRAISEWORTHYpraiseworthy adj. Meriting praise; worthy of high praise.
praise-worthy adj. Archaic form of praiseworthy.
PRAISEWORTHY adj. worthy of praise.
PROTOHISTORYprotohistory n. The period between prehistory and history, during which a culture or civilization has not yet developed…
PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history.
REHYDRATIONSrehydrations n. Plural of rehydration.
REHYDRATION n. the act of rehydrating.
SYNARTHROSISsynarthrosis n. (Anatomy) A type of joint in which two bones are connected rigidly by fibrous tissue.
SYNARTHROSIS n. the fixed articulation of bones.
THYROTROPINSthyrotropins n. Plural of thyrotropin.
THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN.
TYROTHRICINStyrothricins n. Plural of tyrothricin.
TYROTHRICIN n. an antibiotic mixture consisting chiefly of tyrocidine and gramicidin and used topically especially against gram-positive bacteria.
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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 50 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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