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
☆☆ RETURN; RECOVER; REGAIN Verb 找回，收复 tìm lại
☆☆ REGAIN; RECOVER; RETURN Verb 收回，拿回 được trả lại, được hoàn lại