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
☆☆ OH MY GOODNESS; WHY Interjection 哎哟，哦 ối trời !
☆☆ MY GOODNESS; WHOOPS Interjection 哎哟 úi mẹ ơi, úi chao ơi
☆☆ GOODNESS; OH GOSH Interjection 唉 ui, ôi
☆ GOOD; GOODNESS Noun 善善 tính thiện, điều thiện