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
☆☆☆ COUNTRY; NATION; STATE Noun 国，国家 đất nước, quốc gia, nhà nước
☆ POWERFUL NATION Noun 强大国强国 đất nước hùng mạnh
☆ NATIONAL POWER; NATIONAL STRENGTH Noun 国力国力 sức mạnh đất nước