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

CHLORPYRIFOSchlorpyrifos n. A crystalline organophosphate insecticide that inhibits acetylcholinesterase.[diethoxy-sulfanylidene-(3,5,6-trichloropy…
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.
ERYTHROPSIASERYTHROPSIA n. a defect of vision in which objects appear red.
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.
HYPERIDROSESHYPERIDROSIS n. excessive sweating, also HYPERHIDROSIS.
HYPERIDROSISHYPERIDROSIS n. excessive sweating, also HYPERHIDROSIS.
HYPEROREXIASHYPEROREXIA n. compulsive overeating.
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.
PORPHYROPSINporphyropsin 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.
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.
PYROGRAPHIESpyrographies n. Plural of pyrography.
PYROGRAPHY n. the tracing of designs by burning.
PYRRHULOXIASpyrrhuloxias n. Plural of pyrrhuloxia.
PYRRHULOXIA n. a grey-and-pink crested bunting of Central and SW North America, with a short parrot-like bill.
SURVEYORSHIPsurveyorship n. The rank or office of a surveyor.
SURVEYORSHIP n. the office of surveyor.
THYROTROPINSthyrotropins n. Plural of thyrotropin.
THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN.

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: 51 words
  • Scrabble in French: 3 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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