IMPAIRER is a playable word

impairer Scrabble® Dictionary

noun
pl. impairers
one that impairs
98 Playable Words can be made from "IMPAIRER"
   2-Letter Words (13 found)
   3-Letter Words (31 found)
   6-Letter Words (8 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)