OPTIMISMS is a playable word

optimism Scrabble® Dictionary

noun
pl. optimisms
a disposition to look on the favorable side of things
116 Playable Words can be made from "OPTIMISMS"
   2-Letter Words (15 found)
   6-Letter Words (5 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)