CRUDER is a playable word

crude Scrabble® Dictionary

adjective
cruder, crudest
unrefined
(adverb) crudely
noun
pl. crudes
unrefined petroleum
35 Playable Words can be made from "CRUDER"
   2-Letter Words (4 found)
   3-Letter Words (11 found)
   4-Letter Words (13 found)
   5-Letter Words (5 found)
   6-Letter Words (2 found)