BUBBLE is a playable word

bubble Scrabble® Dictionary

verb
bubbled, bubbling, bubbles
to form bubbles (bodies of gas contained within a liquid)
13 Playable Words can be made from "BUBBLE"
   2-Letter Words (2 found)
   3-Letter Words (4 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)