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
☆☆ INTONATION; ACCENT Noun 抑扬语调，抑扬 sự thay đổi âm điệu, ngữ điệu
☆ TONE Noun 语调语调 giọng điệu