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'.
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ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆ SUBSTANTIAL Adjective 充实，饱满 đầy đặn, đầy ắp
☆ BEING ESSENTIAL; BEING SUBSTANTIAL Noun 实质的实质的，实质性的 thực chất, thực tế, thực sự
☆ BEING SUBSTANTIAL; BEING FULL; BEING SOLID Noun 充实充实，丰富 sự trung thực
☆ CONSIDERABLE NUMBER; SUBSTANTIAL NUMBER Noun 相当数相当数 số lượng đáng kể