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'.
Wordsense Learn about the wordsenses of the english term.

ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆ PROSECUTOR Noun 检事检察官 kiểm sát viên, công tố viên
☆ CURIOSITY Noun 궁금 症好奇心，疑惑，悬念 chứng tò mò, lòng tò mò