NUBBLES is a playable word

nubble Scrabble® Dictionary

noun
pl. nubbles
a small nub
57 Playable Words can be made from "NUBBLES"
   2-Letter Words (8 found)
   3-Letter Words (21 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)