CLUMPED is a playable word

clump Scrabble® Dictionary

verb
clumped, clumping, clumps
to form into a thick mass
66 Playable Words can be made from "CLUMPED"
   2-Letter Words (9 found)
   3-Letter Words (27 found)
   4-Letter Words (17 found)
   5-Letter Words (9 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)