UPSURGE is a playable word

upsurge Scrabble® Dictionary

verb
upsurged, upsurging, upsurges
to surge up
60 Playable Words can be made from "UPSURGE"
   2-Letter Words (6 found)
   3-Letter Words (19 found)
   5-Letter Words (10 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)