NULLIFYING is a playable word

nullify Scrabble® Dictionary

verb
nullified, nullifying, nullifies
to make useless or ineffective
89 Playable Words can be made from "NULLIFYING"
   2-Letter Words (6 found)
   3-Letter Words (23 found)
   4-Letter Words (18 found)
   7-Letter Words (8 found)
   8-Letter Words (1 found)
   10-Letter Words (1 found)