UNTHREADING is a playable word

unthread Scrabble® Dictionary

verb
unthreaded, unthreading, unthreads
to remove the thread from
815 Playable Words can be made from "UNTHREADING"
   2-Letter Words (32 found)
   3-Letter Words (121 found)
   9-Letter Words (6 found)
   10-Letter Words (4 found)
   11-Letter Words (1 found)