OUTBULK is a playable word

outbulk Scrabble® Dictionary

verb
outbulked, outbulking, outbulks
to surpass in bulking
21 Playable Words can be made from "OUTBULK"
   2-Letter Words (5 found)
   3-Letter Words (8 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)