OUTSULKING is a playable word

outsulk Scrabble® Dictionary

verb
outsulked, outsulking, outsulks
to surpass in sulking
308 Playable Words can be made from "OUTSULKING"
   2-Letter Words (21 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)