JACKER is a playable word

jacker Scrabble® Dictionary

noun
pl. jackers
one that jacks
32 Playable Words can be made from "JACKER"
   2-Letter Words (5 found)
   3-Letter Words (13 found)
   4-Letter Words (11 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)