선배senior; veteran 우선priority; preference 대선배senior; veteran 선생teacher; instructor 선약prior appointment 선진being advanced 선진국advanced country; developed country 여선생female teacher 우선first of all; to begin with; before everything 우선적priority

출입going in and out; entry 출입국departure; entry 입구entrance 출입coming and going 입국entering a country 입수to obtain 입구entrance; entry; gate 입원hospitalization 입장권admission ticket; entrance ticket 입학admission to a school; entrance into a school

편견prejudice; bias 견학field trip; tour 견해view; opinion; viewpoint 발견discovery; detection 의견opinion 탁견excellent idea; splendid idea 회견interview; conference 후견인backer; supporter; sponsor 견문knowledge; experience 견물생심opportunity makes the thief