SIDEKICKS is a playable word

sidekick Scrabble® Dictionary

noun
pl. sidekicks
a close friend
84 Playable Words can be made from "SIDEKICKS"
   2-Letter Words (7 found)
   3-Letter Words (15 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)