UPSURGING is a playable word

upsurge Scrabble® Dictionary

verb
upsurged, upsurging, upsurges
to surge up
131 Playable Words can be made from "UPSURGING"
   2-Letter Words (9 found)
   7-Letter Words (4 found)
   8-Letter Words (3 found)
   9-Letter Words (1 found)