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
☆☆ SUBSTANTIAL Adjective 充实，饱满 đầy đặn, đầy ắp
☆ BEING SUBSTANTIAL; BEING FULL; BEING SOLID Noun 充实充实，丰富 sự trung thực
☆ INTERNAL STABILITY Noun 内实充实 thực tế bên trong, thực chất bên trong
☆ FILLED WITH JOY; OVERWHELMED WITH PRIDE Adjective 满足，充实 hãnh diện, sung sướng