RESTER is a playable word

rester Scrabble® Dictionary

noun
pl. resters
one that rests
38 Playable Words can be made from "RESTER"
   2-Letter Words (5 found)
   3-Letter Words (12 found)
   4-Letter Words (10 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)