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
☆ BALLOT COUNTING Noun 开票开票 sự kiểm phiếu
☆ ACCOUNTING; BOOKKEEPING Noun 会计算账，核算，统计 kế toán