Norco rhymes with:
minorco, dorko, fedorko, minorco, porco, airco, amerco, anadarko, arco, arko, asarco, barco, barko, barkow, calarco, chirco, comarco, darco, delbarco, demarco, dimarco, dorko, fedorko, giammarco, marco, marcoe, marko, markow, minorco, moorco, narco, porco, sammarco, tierco, trimarco, uarco, varco
Norco sounds like:
narazaki, narc, narciso, narcisse, narcissus, narco, narcos, nares, narjes, narrows, nars, nawrocki, nears, nemmers, nemours, neorx, nerco, nerice, nero's, neuroses, neurosis, new-years, new-york, new-york's, newark, newark's, newmark, niners, niners', niriko, noirs, nomura's, nora's, norcia, noreco, noreiga, norex, norge, norick, noriega, noriega's, noriegas, nork, norkus, norris, norris's, norse, norsk, norske, norway's, norwich, nourish, nourishes, nourse, numeric, numerica, numerous, nurock, nurse, nurse's, nurses, nurses', nyers