Rambow rhymes with:
rambo, rambo, sambo, shambo, tambo, zambo, archambault, archambeault, bimbo, colombo, columbo, cumbo, dumbo, gumbo, gumbo-limbo, jumbo, lembo, limbo, mambo, mumbo, palombo, palumbo, pombo, rambo, sambo, shambo, stumbo, tambo, trumbo, zambo
Rambow sounds like:
rainbow, rambeau, rambo, ramify, ramp, rampey, rampy, remove, rempe, renminbi, renouf, reunify, rimbey, romanoff, romanov, romp, rump, rumpf, rumph, runoff, runup