UPSWELLING is a playable word

upswell Scrabble® Dictionary

verb
upswelled, upswollen, upswelling, upswells
to swell up
323 Playable Words can be made from "UPSWELLING"
   2-Letter Words (17 found)
   8-Letter Words (2 found)
   9-Letter Words (2 found)
   10-Letter Words (2 found)