DISPROOFS is a playable word

disproof Scrabble® Dictionary

noun
pl. disproofs
the act of disproving
139 Playable Words can be made from "DISPROOFS"
   2-Letter Words (14 found)
   6-Letter Words (10 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)