Nationales rhymes with:
cabrales, carrizales, corrales, generales, nogales, perales, portales, salles, vidales, arguelles, aviles, cabrales, carrizales, corrales, generales, gutless, mireles, nogales, perales, portales, quiles, reveles, salles, seles, seles', vidales
Nationales sounds like:
national's, nationalize, nationalizes, nationals