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 3.0EngWordtypeEtym.GbVie
☆ BEING USEFUL Noun 有用 有用 sự hữu dụng, sự có ích
☆ USEFULNESS; UTILITY Noun 效用 效用，作用，效能，实效，效 công dụng, sự lợi hại, sự hữu ích