BILLOWS is a playable word

billow Scrabble® Dictionary

verb
billowed, billowing, billows
to swell
60 Playable Words can be made from "BILLOWS"
   2-Letter Words (11 found)
   3-Letter Words (18 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)