SHUTOFFS is a playable word

shutoff Scrabble® Dictionary

noun
pl. shutoffs
a device that shuts something off
70 Playable Words can be made from "SHUTOFFS"
   2-Letter Words (10 found)
   3-Letter Words (16 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)