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.

KOREAN 3.0	Eng	Wordtype	Etym.	Gb	Vie
☆☆	ENERGY; POWER	Noun	energy	精力，活力	năng lượng
☆	NUCLEAR POWER	Noun	原子力	原子能，核能	năng lượng nguyên tử