출발departure; leaving 출발선starting line 출발역departure station 출발점starting point 출발지point of departure 폭발outburst 개발development; exploitation 개발비development expense 발견discovery; detection 발급issue

병disease 병문안visit to a sick person 병원hospital; clinic 설사병diarrhea 피부병skin disease 향수병homesickness; nostalgia 간병nursing; care; attendance 간병인care worker; person attending the sick; caregiver 계절병seasonal disease 공주병princess complex

청취율ratings 할인율discount rate 환율exchange rate 효율적being efficient; being effective 효율적efficient; effective 감소율reduction ratio 비율ratio; proportion 비효율적being inefficient 비효율적inefficient 사망률death rate