Flavio rhymes with:
caraveo, dottavio, savio, caraveo, clodoveo, dottavio, llovio, octavio, savio, silvio, sylvio
Flavio sounds like:
falb, falbo, falloff, falvey, falvo, felipe, filby, filip, filipa, filippi, filippo, fillip, flab, flabby, flahive, flap, flavia, flip, flippo, flop, floppy, fluff, fluffy, flyby, followup, fullilove, fulop, fulp, fulvia