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List of 13-letter words containing

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There are 3 thirteen-letter words containing A, O, 2S, 2U and Y

ICHTHYOSAURUSichthyosaurus n. (Archaic) Alternative form of ichthyosaur.
ichthyosaurus n. Any members of the genus Ichthyosaurus.
Ichthyosaurus prop.n. A taxonomic genus within the family Ichthyosauridae – large, extinct marine reptiles.
SULFONYLUREASsulfonylureas n. Plural of sulfonylurea.
SULFONYLUREA n. any of several hypoglycemic compounds related to the sulfonamides and used in the oral treatment of diabetes.
TYRANNOSAURUStyrannosaurus n. A large carnivorous dinosaur, of the genus Tyrannosaurus, found in North America during the late Cretaceous period.
Tyrannosaurus prop.n. A taxonomic genus within the family Tyrannosauridae – tyrannosaurs.
TYRANNOSAURUS n. a large carnivorous lizard-hipped dinosaur, common during the Cretaceous period, also TYRANNOSAUR.

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: 9 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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