Stumbo rhymes with:
colombo, columbo, cumbo, dumbo, gumbo, jumbo, mumbo, palumbo, trumbo, archambault, archambeault, bimbo, colombo, columbo, cumbo, dumbo, gumbo, gumbo-limbo, jumbo, lembo, limbo, mambo, mumbo, palombo, palumbo, pombo, rambo, rambow, sambo, shambo, tambo, trumbo, zambo
Stumbo sounds like:
stamp, stanhope, steinhoff, stimpy, stomp, stump, stumpe, stumpf, stumpff, stumph, stumpo, stumpp