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
☆☆☆ NATIONAL HOLIDAY Noun 名节节日 ngày lễ tết, ngày tết
☆ BUSIEST SEASON; PEAK SEASON Noun 旺季，(节日)之际 daemok; giai đoạn bán chạy