Israel: Rom 9:31-32, Rom 10:3; Pro 1:28; Luk 13:24; Heb 12:17
but the election: That is, the elect, the abstract being used for the concrete. So the Jews or the circumcised people, are called Israel, or the circumcision. Rom 11:5, Rom 8:28-30, Rom 9:23; Eph 1:4; 2Th 2:13-14; 1Pe 1:2
and the rest: Isa 6:10, Isa 44:18; Mat 13:14-15; Joh 12:40; 2Co 3:14, 2Co 4:4; 2Th 2:10-12