CLUMPING is a playable word

clump Scrabble® Dictionary

verb
clumped, clumping, clumps
to form into a thick mass
82 Playable Words can be made from "CLUMPING"
   2-Letter Words (10 found)
   3-Letter Words (32 found)
   5-Letter Words (10 found)
   6-Letter Words (6 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)