Lourenco rhymes with:
norenko, renco, giovenco, ivanyenko, marchenko, norenko, renco, alanco, bairnco, barranco, capobianco, carranco, defranco, delbianco, difranco, evancho, gianfranco, giovenco, hybrienko, ivanko, ivanyenko, lobianco, marchenko, norenco, norenko, panebianco, polanco, renco, ronco, runko, sancho
Lourenco sounds like:
larrance, larynx, laurance, laurence, laurens, laurenz, lawrance, lawrence, lawrence's, lawrenz, lawyering, layering, learning, learns, lieurance, llorens, lohrenz, lorance, lorang, lorean's, lorena's, lorenc, lorence, lorenz, lorenza, lorenzi, lorenzo, lorenzo's, lorincz, loring, lowering, lowrance, luehring, luhring, luring