GRADER is a playable word

grader Scrabble® Dictionary

noun
pl. graders
one that grades
49 Playable Words can be made from "GRADER"
   2-Letter Words (9 found)
   3-Letter Words (16 found)
   4-Letter Words (15 found)
   5-Letter Words (6 found)
   6-Letter Words (3 found)