체계system 체계성system 체계적being systematic 체계적systematic 체계화systemization 태양계solar system 가계lineage; family 계보genealogical record; table of descent; history of family 계열system; faction; department 계열화systematization

열차train 가장행렬costume procession 급행열차express train 치열tooth arrangement; row of teeth 항렬generation 행렬line; parade; march 계열system; faction; department 계열화systematization 나열listing; enumeration 대열line; rank; file

회사company; corporation 회사원employee; office worker; staff 사장president; chief executive 여행사travel agency 퇴사leaving work; going home from work 방송사broadcasting company 사교적being sociable; being outgoing 사교적sociable; outgoing 사내office; being at an office; being corporate; being in-house; being at work 사설editorial; column