UNCHAIN is a playable word

unchain Scrabble® Dictionary

verb
unchained, unchaining, unchains
to free by removing a chain
38 Playable Words can be made from "UNCHAIN"
   2-Letter Words (10 found)
   3-Letter Words (14 found)
   4-Letter Words (8 found)
   5-Letter Words (5 found)
   7-Letter Words (1 found)