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
☆☆☆ WALK Verb 走，行走，步行 bước đi, đi bộ
☆☆☆ WALK; TREAD; STRIDE Verb 走去，走过去 bước đi
☆☆ STEP Noun 脚步 bước đi
☆ FOOL'S ERRAND; VAIN ATTEMPT Noun 白跑，白走，空跑，冤枉路 chuyến đi vô ích, bước đi vô ích