PREDRILLING is a playable word

predrill Scrabble® Dictionary

verb
predrilled, predrilling, predrills
to drill beforehand
247 Playable Words can be made from "PREDRILLING"
   2-Letter Words (13 found)
   8-Letter Words (5 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)
   11-Letter Words (1 found)