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
☆☆ PERMANENT; PERMED HAIR Noun ←permanent 烫发 sự uốn tóc, tóc uốn
☆ LIFETIME WORKPLACE; PERMANENT JOB Noun 平生职场 ? nơi làm việc cả đời