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There are 12 twelve-letter words containing I, 2O, P, 2R, S and Y

CHLORPYRIFOSchlorpyrifos n. A crystalline organophosphate insecticide that inhibits acetylcholinesterase.[diethoxy-sulfanylidene-(3,5,6-trichloropy…
CONSPIRATORYconspiratory adj. Of, or relating to a conspiracy.
CONSPIRATORY adj. relating to conspiracy, also CONSPIRATORIAL.
COPROSPERITYcoprosperity n. Joint prosperity.
COPROSPERITY n. shared prosperity.
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.
PITYROSPORUMPityrosporum prop.n. Former name of Malassezia (“fungus genus”).
PITYROSPORUM n. a yeastlike fungus which can cause pityriasis.
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.
POSTERIORITYposteriority n. The condition of being posterior (in any sense).
POSTERIORITY n. the state of being later or subsequent.
PROMISSORILYpromissorily adv. In a promissory manner.
PROMISSORY adv. containing a promise or binding declaration of something to be done or forborne.
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.
PROVISIONARYprovisionary adj. Provisional.
PROVISIONARY adj. provisional.
PROVISIONARY n. something provisional.
THYROTROPINSthyrotropins n. Plural of thyrotropin.
THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN.
UPROARIOUSLYuproariously adv. In an uproarious manner.
UPROARIOUS adv. marked by uproar.

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: 36 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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