1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
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ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆☆ TRAVEL AGENCY Noun 旅行社旅行社 công ty du lịch, công ty lữ hành
☆☆ HUMAN POWER; HUMAN AGENCY; HUMAN STRENGTH Noun 人力人力 nhân lực
☆ AGENCY Noun 代理店代理店 đại lý
☆ NATIONAL POLICE AGENCY Noun 警察厅警察厅，公安厅 sở cảnh sát