Petrino rhymes with:
neutrino, andreano, astorino, barbarino, boscarino, carino, carrino, cassarino, demarino, dimarino, farino, fiorino, firino, furino, garbarino, giammarino, greeno, guarino, guerino, karino, laureano, laurino, lorino, maiorino, mandarino, moreno, morino, neutrino, palmerino, parrino, pastorino, pellegrino, perrino, reno, savarino, tamburrino, torino, venturino, victorino
Petrino sounds like:
padron, paterno, patrimony, patron, patrone, patronym, pattern, peterman, petermann, petrin, petrina, petrini, petromin, petrone, petroni, petronia, petronio, phototron, putterman