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
☆☆☆ OLDER SISTER Noun 姐，姐姐 chị, chị gái
☆☆☆ ELDER SISTER Noun 姐姐 chị
☆☆ ELDER SISTER Noun 姐姐 chị