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
☆☆☆ INDEBTEDNESS Noun 德分托福，多亏，仰仗 nhờ vào, nhờ ơn, nhờ sự giúp đỡ
☆☆ INDEBTEDNESS; FAVOR; HELP Noun 德泽多亏，(托……的)福 nhờ vào