carbonífero | singular | singular | |
carboníferos | plural | plural |
carbonífero | singular, masculino, positivo | singular, masculine, positive | |
carboníferos | plural, masculino, positivo | plural, masculine, positive | |
carbonífera | singular, femenino, positivo | singular, feminine, positive | |
carboníferas | plural, femenino, positivo | plural, feminine, positive |