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
☆ PNEUMONIA Noun 肺炎▽ 肺炎 viêm phổi
☆ LUNGS Noun 肺肺 phổi
☆ LUNG CAPACITY Noun 肺活量肺活量 dung tích phổi
☆ LUNGS Noun 肺 lá phổi