HARMER is a playable word

harmer Scrabble® Dictionary

noun
pl. harmers
one that harms
45 Playable Words can be made from "HARMER"
   2-Letter Words (13 found)
   3-Letter Words (15 found)
   4-Letter Words (12 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)