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
☆☆☆ PREPARATION Noun 准备准备 sự chuẩn bị
☆☆ BEING PREPARED; PREPARATION Noun 对备预备，应对，防备 sự phòng bị
☆☆ PREPARATION Noun 准备，备下，置备 sự chuẩn bị
☆ PURCHASE; PREPARATION Noun 备置，置办，筹办 sự sắm sửa