GRIDIRON is a playable word

gridiron Scrabble® Dictionary

verb
gridironed, gridironing, gridirons
to mark off into squares
62 Playable Words can be made from "GRIDIRON"
   2-Letter Words (10 found)
   3-Letter Words (19 found)
   4-Letter Words (19 found)
   5-Letter Words (10 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)