DEADLOCKING is a playable word

deadlock Scrabble® Dictionary

verb
deadlocked, deadlocking, deadlocks
to come to a standstill
647 Playable Words can be made from "DEADLOCKING"
   2-Letter Words (29 found)
   3-Letter Words (99 found)
   9-Letter Words (2 found)
   11-Letter Words (1 found)