BALLOON is a playable word

balloon Scrabble® Dictionary

verb
ballooned, ballooning, balloons
to swell out
40 Playable Words can be made from "BALLOON"
   2-Letter Words (10 found)
   3-Letter Words (14 found)
   4-Letter Words (12 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)