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
☆☆☆ WINDOW Noun 窓门窗，窗户 cửa sổ
☆☆ WINDOW Noun 窓 가 窗边，窗旁 cạnh cửa sổ
☆☆ WINDOW GLASS Noun 琉璃窓玻璃窗 cửa sổ kính, cửa kính
☆☆ OUTSIDE A WINDOW Noun 窓 밖 窗外 ngoài cửa sổ
☆☆ WINDOW Noun 窓安装在墙壁或屋顶上，用于通风或采光的门。 cửa sổ