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
☆☆ BEING PRACTICAL; BEING PRAGMATIC Noun 实用的实用，实用的 tính thực tiễn, tính thiết thực
☆ PRACTICALITY; UTILITY Noun 实用性实用性 tính thực tiễn, tính thiết thực