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There are 15 twelve-letter words containing OSAUR

ALLOSAURUSESallosauruses n. Plural of allosaurus.
ALLOSAURUS n. a kind of dinosaur.
ANKYLOSAURUSankylosaurus n. A large herbivorous dinosaur, of genus Ankylosaurus, that lived in the Cretaceous period, noted for…
Ankylosaurus prop.n. A taxonomic genus within the family Ankylosauridae – ankylosaurus, an armored dinosaur from the Cretaceous…
ANKYLOSAURUS n. a kind of dinosaur with a club tail, also ANKYLOSAUR.
ARCHOSAURIANarchosaurian n. An archosaur.
ARCHOSAURIAN n. any of a subclass of reptiles comprising pterosaurs, dinosaurs and crocodilians, also ARCHOSAUR.
BRACHIOSAURSbrachiosaurs n. Plural of brachiosaur.
BRONTOSAURUSbrontosaurus n. One of the largest land animals to ever walk the earth; a Brontosaurus.
Brontosaurus prop.n. A taxonomic genus within the family Diplodocidae – certain large long-necked sauropods; formerly merged…
BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR.
COELUROSAURScoelurosaurs n. Plural of coelurosaur.
COELUROSAUR n. a bipedal carnivorous dinosaur of the Triassic and Cretaceous periods.
ICHTHYOSAURIichthyosauri n. Plural of ichthyosaur.
ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN.
ICHTHYOSAURSichthyosaurs n. Plural of ichthyosaur.
ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS.
MEGALOSAURUSMegalosaurus prop.n. A taxonomic genus within the family Megalosauridae – a theropod dinosaur from the Jurassic of England.
MEGALOSAURUS n. a large dinosaur, also MEGALOSAUR, MEGALOSAURIAN.
ORNITHOSAURSORNITHOSAUR n. a pterodactyl.
PROSAUROPODSprosauropods n. Plural of prosauropod.
PROSAUROPOD n. a reptile-like dinosaur of the division Prosauropoda which lived in the Triassic period.
PTEROSAURIANpterosaurian adj. (Paleontology) Of or relating to the Pterosauria.
pterosaurian n. (Paleontology) Any of the Pterosauria; a pterosaur.
PTEROSAURIAN n. a pterodactyl, also PTEROSAUR.
STEGOSAURIANstegosaurian n. Any dinosaur of the suborder Stegosauria.
STEGOSAURIAN n. any quadrupedal herbivorous ornithischian dinosaur of the suborder Stegosauria.
TELEOSAURIANteleosaurian n. (Zoology) Any member of the genus Teleosaurus.
TELEOSAURIAN n. a teleosaur, a member of a Jurassic genus of fossil crocodiles.
TYRANNOSAURStyrannosaurs n. Plural of tyrannosaur.
TYRANNOSAUR n. a large carnivorous lizard-hipped dinosaur, common during the Cretaceous period, also TYRANNOSAURUS.

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: 122 words
  • Scrabble in French: 10 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: 2 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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