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
☆☆☆ CANCELLATION Noun 取消取消，解除 sự hủy bỏ
☆ CANCELLATION; BREACH Noun 解约解约 sự hủy bỏ, sự hủy ước