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
☆☆☆ HERE; THIS Pronoun 这里，这儿 nơi này, ở đây
☆☆ FILL; FILL UP Verb 填充，垫 đổ đầy, lắp đầy, bịt kín
☆☆ NOW Adverb 这才 giờ đây mới, phải đến bây giờ