영수증receipt 흡수absorption; intake 수입earning; income 수입액revenue; earnings 월수입monthly income 총수익gross earnings; total revenue 총수입total revenue 추수fall harvest 추수기harvest time 환수redemption; retrieval; confiscation

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

자원resource; material 전원power; socket 취재원news source 공급원source 광원illuminant 근원root; source 근원적Being fundamental 근원적fundamental 근원지source 동력원energy source