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
☆ OLD BACHELOR Noun 老总角老单身汉，老光棍，大龄男青年 trai già, người đàn ông ế vợ
☆ BACHELOR; SINGLE MAN Noun 总角小伙，小伙子，小年轻，未婚青年 chàng trai chưa vợ