Narco rhymes with:
anadarko, arco, arko, asarco, barco, barko, barkow, calarco, comarco, darco, delbarco, demarco, dimarco, marco, marcoe, marko, markow, sammarco, trimarco, uarco, varco
Narco sounds like:
narazaki, narc, narciso, narcisse, narcissus, 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, norco, 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