UPSWELLS is a playable word

upswell Scrabble® Dictionary

verb
upswelled, upswollen, upswelling, upswells
to swell up
71 Playable Words can be made from "UPSWELLS"
   2-Letter Words (7 found)
   3-Letter Words (15 found)
   6-Letter Words (6 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)