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
☆☆ VACUUM CLEANER Noun 淸扫机吸尘器 máy hút bụi
☆ VACUUM CLEANER Noun 眞空淸扫机真空吸尘器 máy hút bụi