TOOLS is a playable word

tool Scrabble® Dictionary

verb
tooled, tooling, tools
to form or finish with a tool (an implement used in manual work)
25 Playable Words can be made from "TOOLS"
   2-Letter Words (4 found)
   3-Letter Words (6 found)
   4-Letter Words (10 found)
   5-Letter Words (5 found)