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
☆☆ GETTING ALONG WITH; GOING WITH Noun 调和协调，和谐 sự điều hoà
☆ HARMONIOUS Adjective 调和 롭다 和谐 hài hoà