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
☆☆ SATURDAY Noun 土星期六，周六，礼拜六 thứ bảy
☆ CLIMATE; NATURAL FEATURES Noun 风土风土，水土 phong thổ
☆ TERRITORY Noun 领土领土 lãnh thổ
☆ NATIONAL TERRITORY Noun 国土国土 lãnh thổ