TUMBLING is a playable word

tumbling Scrabble® Dictionary

noun
pl. tumblings
the sport of gymnastics
97 Playable Words can be made from "TUMBLING"
   2-Letter Words (12 found)
   5-Letter Words (9 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)