UNFREEZE is a playable word

unfreeze Scrabble® Dictionary

verb
unfroze, unfrozen, unfreezing, unfreezes
to cause to thaw
40 Playable Words can be made from "UNFREEZE"
   2-Letter Words (8 found)
   3-Letter Words (18 found)
   4-Letter Words (7 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)