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
☆ OLD AGE; ADVANCED AGE Noun 高龄高龄 cao tuổi, tuổi cao
☆ THE OLDEST Noun 最高龄最高年龄，最大年龄 cao tuổi nhất, lớn tuổi nhất