UNBUILT is a playable word

unbuild Scrabble® Dictionary

verb
unbuilt, unbuilding, unbuilds
to demolish
40 Playable Words can be made from "UNBUILT"
   2-Letter Words (8 found)
   3-Letter Words (20 found)
   4-Letter Words (6 found)
   5-Letter Words (4 found)
   7-Letter Words (2 found)