MOSASAUR is a playable word

mosasaur Scrabble® Dictionary

noun
pl. mosasaurs
an extinct lizard
113 Playable Words can be made from "MOSASAUR"
   2-Letter Words (13 found)
   3-Letter Words (30 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)