TACKS is a playable word

tack Scrabble® Dictionary

verb
tacked, tacking, tacks
to fasten with tacks (short, sharp-pointed nails)
28 Playable Words can be made from "TACKS"
   2-Letter Words (4 found)
   3-Letter Words (12 found)
   4-Letter Words (10 found)
   5-Letter Words (2 found)