Alfonzo rhymes with:
difonzo, alonzo, bonzo, costanzo, dalonzo, dicostanzo, difonzo, gonzo, monzo, ponzo
Alfonzo sounds like:
alabama's, alabamans, albanese, albani's, albania's, albanians, albank, albans, albany's, album's, albums, albunex, alfin's, alfons, alfonse, alfonso, allophones, allophonic, aloofness, alphonse, alphonso