GRILLES is a playable word

grille Scrabble® Dictionary

noun
pl. grilles
a grating
77 Playable Words can be made from "GRILLES"
   2-Letter Words (8 found)
   3-Letter Words (23 found)
   5-Letter Words (12 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)