UNFROZEN is a playable word

unfreeze Scrabble® Dictionary

verb
unfroze, unfrozen, unfreezing, unfreezes
to cause to thaw
62 Playable Words can be made from "UNFROZEN"
   2-Letter Words (13 found)
   3-Letter Words (25 found)
   4-Letter Words (14 found)
   5-Letter Words (4 found)
   6-Letter Words (3 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)