UNBUCKLES is a playable word

unbuckle Scrabble® Dictionary

verb
unbuckled, unbuckling, unbuckles
to loosen a buckle
121 Playable Words can be made from "UNBUCKLES"
   2-Letter Words (8 found)
   3-Letter Words (31 found)
   6-Letter Words (5 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)