GRIDIRONING is a playable word

gridiron Scrabble® Dictionary

verb
gridironed, gridironing, gridirons
to mark off into squares
95 Playable Words can be made from "GRIDIRONING"
   2-Letter Words (10 found)
   3-Letter Words (22 found)
   5-Letter Words (13 found)
   6-Letter Words (9 found)
   8-Letter Words (5 found)
   11-Letter Words (1 found)