GRIDLOCK is a playable word

gridlock Scrabble® Dictionary

verb
gridlocked, gridlocking, gridlocks
to bring to a standstill
80 Playable Words can be made from "GRIDLOCK"
   2-Letter Words (11 found)
   3-Letter Words (31 found)
   5-Letter Words (4 found)
   8-Letter Words (1 found)