REWARDER is a playable word

rewarder Scrabble® Dictionary

noun
pl. rewarders
one that rewards
84 Playable Words can be made from "REWARDER"
   2-Letter Words (11 found)
   3-Letter Words (20 found)
   5-Letter Words (11 found)
   7-Letter Words (2 found)
   8-Letter Words (3 found)