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
☆ PREMIUM Noun 保险料保险费 phí bảo hiểm
☆ MASTERPIECE; DESIGNER GOODS; PREMIUM BRAND GOODS Noun 名品名品 tác phẩm nổi tiếng, hàng hiệu