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
☆☆ LIFESPAN; LIFETIME Noun 寿命寿命 tuổi thọ
☆☆ LIFE; LIFETIME Noun 一生一生 một đời
☆ LIFETIME WORKPLACE; PERMANENT JOB Noun 平生职场 ? nơi làm việc cả đời
☆ LIFE; LIFETIME Noun 生涯生涯，生平 cuộc đời
☆ IN ONE'S LIFETIME Adverb 난 生有生以来 chào đời