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
☆☆ RULE; LAW; REGULATION Noun 法则法则，道理，定则 phép tắc
☆☆ COURTESY; MANNERS Noun 礼节礼节，礼貌，礼仪 lễ tiết, nghi thức giao tiếp, lễ nghi phép tắc