Petronio rhymes with:
cotroneo, cotroneo, antonio, colantonio, cotroneo, dantonio, diantonio, marcantonio, pomponio, aluminio, amnio, antonio, arsenio, cattaneo, colantonio, cotroneo, cuneo, dantonio, denio, diantonio, eugenio, hermenio, kunio, marcantonio, messineo, mineo, pineo, pinneo, pomponio, strenio, tarquinio, tsuneo, uneo, wainio
Petronio sounds like:
padron, paterno, patrimony, patron, patrone, patronym, pattern, peterman, petermann, petrin, petrina, petrini, petrino, petromin, petrone, petroni, petronia, phototron, putterman