COLLARS is a playable word

collar Scrabble® Dictionary

verb
collared, collaring, collars
to provide with a collar (something worn around the neck)
89 Playable Words can be made from "COLLARS"
   2-Letter Words (8 found)
   3-Letter Words (23 found)
   6-Letter Words (6 found)
   7-Letter Words (1 found)