RACKER is a playable word

racker Scrabble® Dictionary

noun
pl. rackers
one that racks
35 Playable Words can be made from "RACKER"
   2-Letter Words (5 found)
   3-Letter Words (12 found)
   4-Letter Words (11 found)
   5-Letter Words (5 found)
   6-Letter Words (2 found)