Falb rhymes with:
schwalb, schwalbe, bulb, dekalb, elbe, flashbulb, gelb, gilb, hilb, kalb, kielb, kolb, kolbe, lightbulb, schwalb, schwalbe, selbe
Falb sounds like:
falbo, falloff, falvey, falvo, felipe, filby, filip, filipa, filippi, filippo, fillip, flab, flabby, flahive, flap, flavia, flavio, flip, flippo, flop, floppy, fluff, fluffy, flyby, followup, fullilove, fulop, fulp, fulvia