은행bank 은행원bank teller 은상silver prize 은색silver 금은방jewelry store 금은보화treasure 수은mercury; quicksilver 수은등mercury lamp 수은제mercurial preparation 수은주mercury meter; mercury column

하구mouth of a river 하마hippopotamus; hippo 하천river; stream 강하rivers and streams 대하소설saga novel 빙하glacier 산하mountains and rivers; nature 운하canal 은하galaxy 은하수the Milky Way

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