HUMPING is a playable word

hump Scrabble® Dictionary

verb
humped, humping, humps
to arch into a hump (a rounded protuberance)
54 Playable Words can be made from "HUMPING"
   2-Letter Words (12 found)
   3-Letter Words (28 found)
   4-Letter Words (10 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)