WHACKER is a playable word

whacker Scrabble® Dictionary

noun
pl. whackers
one that whacks
82 Playable Words can be made from "WHACKER"
   2-Letter Words (12 found)
   3-Letter Words (22 found)
   5-Letter Words (12 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)