TUMULOUS is a playable word

tumulous Scrabble® Dictionary

adjective
tumulose
64 Playable Words can be made from "TUMULOUS"
   2-Letter Words (10 found)
   3-Letter Words (19 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)