CLUMPS is a playable word

clump Scrabble® Dictionary

verb
clumped, clumping, clumps
to form into a thick mass
35 Playable Words can be made from "CLUMPS"
   2-Letter Words (4 found)
   3-Letter Words (11 found)
   4-Letter Words (13 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)