Crumby rhymes with:
cumbie, cumby, gumbi, mumby, abercrombie, bambi, biamby, camby, colombe, comby, coulombe, crombie, cumbie, cumby, demby, fomby, formbey, formby, gumbi, hamby, hemby, lacombe, lambie, lamby, luscombe, mccombie, mumby, nambi, namby-pamby, nimby, palombi, pamby, quimby, rimbey, savimbi, zombie
Crumby sounds like:
carnauba, chernoff, cramp, crimp, crombie, crumb, crump