관계relationship 관심interest; attention 현관entrance; porch 현관문gate; front door 관계자interested party 관심사matter of interest 기관engine 무관심indifference; disinterest 상관correlation 연관relation; connection

계절season 명절national holiday 사계절four seasons 계절병seasonal disease 계절성seasonality 계절적being seasonal 계절적seasonal 기본예절basic manners 시절days; the time 예절courtesy; manners

염증inflammation 췌장염pancreatitis 편도선염tonsillitis 폭염heat wave; scorching heat 후두염laryngitis 각막염keratitis 간염hepatitis 결막염conjunctivitis 기관지염bronchitis 뇌염brain inflammation