RIDDERS is a playable word

ridder Scrabble® Dictionary

noun
pl. ridders
one that rids
57 Playable Words can be made from "RIDDERS"
   2-Letter Words (8 found)
   3-Letter Words (16 found)
   4-Letter Words (16 found)
   5-Letter Words (12 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)