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
☆☆☆ ENGLAND; THE UNITED KINGDOM Noun 英国英国 anh quốc, nước anh
☆ ONE'S OWN COUNTRY Noun 自国本国 tổ quốc, nước mình
☆ POWERFUL NATION Noun 强国强国 cường quốc, nước mạnh
☆ GUK Affix 国 (无对应词汇) quốc, nước