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
☆ NURSERY Noun 幼儿园 nhà trẻ
☆ LULLABY; NURSERY SONG; CRADLESONG Noun 자장 歌摇篮曲，催眠曲 bài hát ru