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
☆ BOOKS; PUBLICATIONS Noun 册子册子 cuốn sách
☆ SWEEP; WASH AWAY Verb 横扫，席卷 quét sạch, cuốn sạch
☆ BE SWEPT; BE WASHED AWAY Verb 横扫，席卷 bị cuốn sạch, bị quét sạch