Words That Rhyme With "Lumper's" :
2 syllables:
bummer, bumpers, bunkers, bunter, campers, chunter, comers, cumber, cummer, dampers, drummers, dumber, dumper, Dunbar, dunkers, Gompers, grunter, Gunter, hampers, Humber, hummer, hunters, jumpers, mummer, mumper, numbers, pampers, punter, rompers, rummer, shrimpers, shunter, somers, Sommer, stumper, sumer, summar, summers, sumpter, Sumter, sunbirds, suppers, swampers, tempers, thumber, thumper, umber, uppers, younkers
3 syllables:
encumber, incumber, midsummer, outnumbers, renumber