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
☆☆☆ CHEW; MASTICATE Verb 咀嚼，嚼 nhai
☆ LIVING; LIVELIHOOD Noun 生计生计，生路 sinh kế, kế sinh nhai
☆ CHEW OVER AND OVER AGAIN Verb 咀嚼 nhai hoài, nhai đi nhai lại