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There are 17 twelve-letter words containing I, L, 2O, R, 2S and Y

BOISTEROUSLYboisterously adv. In a boisterous manner.
BOISTEROUS adv. rowdy, high-spirited.
CENSORIOUSLYcensoriously adv. In a censorious manner.
CENSORIOUS adv. given to censure.
CYCLOSPORINScyclosporins n. Plural of cyclosporin.
CYCLOSPORIN n. an immunosuppressant drug used in organ transplants, also CYCLOSPORINE.
HYDROLOGISTShydrologists n. Plural of hydrologist.
HYDROLOGIST n. an expert in hydrology.
KARYOLOGISTSKARYOLOGIST n. a practitioner of karyology, the study of cell nuclei.
LYOSORPTIONSLYOSORPTION n. the adsorption of a liquid on a solid surface, esp. of a solvent on suspended particles.
POLYAMORISTSpolyamorists n. Plural of polyamorist.
POLYCHROISMSPOLYCHROISM n. the state of being polychroic.
POLYCROTISMSPOLYCROTISM n. the state of having several beats to each heartbeat.
POLYHEDROSISpolyhedrosis n. Any of several diseases of insect larvae that are caused by the polyhedral viruses, family Baculoviridae.
POLYHEDROSIS n. an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
PROMISSORILYpromissorily adv. In a promissory manner.
PROMISSORY adv. containing a promise or binding declaration of something to be done or forborne.
PROSYLLOGISMprosyllogism n. (Logic) A syllogism that is preliminary or logically essential to another syllogism.
prosyllogism n. (Logic) The conclusion of such a syllogism, which becomes a premise of the following syllogism.
pro-syllogism n. Alternative form of prosyllogism.
ROBUSTIOUSLYrobustiously adv. In a robustious manner.
ROBUSTIOUS adv. boisterous.
ROISTEROUSLYroisterously adv. In a roisterous way.
ROISTEROUS adv. blustering, boisterous, also ROYSTEROUS.
STRONGYLOIDSstrongyloids n. Plural of strongyloid.
STRONGYLOID n. a strongyl, a parasitic threadworm.
STRONGYLOSISstrongylosis n. Infection with worms of the genus Strongylus.
STRONGYLOSIS n. infestation with strongyles.
THROMBOLYSISthrombolysis n. The breaking down of blood clots by pharmacological or other means.
THROMBOLYSIS n. the breaking up of a blood clot.

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: 6 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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