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
☆☆☆ JOKE Noun 弄谈玩笑，笑话，戏言 câu nói đùa, lời nói đùa
☆☆ HUMOR; JOKE Noun humor 幽默 sự khôi hài, sự hài hước
☆☆ GAME; JOKE Noun 闹着玩，开玩笑 việc nô đùa