BURBLE is a playable word

burble Scrabble® Dictionary

verb
burbled, burbling, burbles
to speak quickly and excitedly
31 Playable Words can be made from "BURBLE"
   2-Letter Words (4 found)
   3-Letter Words (9 found)
   4-Letter Words (11 found)
   5-Letter Words (4 found)
   6-Letter Words (3 found)