EXERCISES is a playable word

exercise Scrabble® Dictionary

verb
exercised, exercising, exercises
to make use of
102 Playable Words can be made from "EXERCISES"
   2-Letter Words (7 found)
   3-Letter Words (23 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)