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

HAN VIET: mông cổ 蒙古

KOREAN 3.0	Eng	Wordtype	Etym.	Gb	Vie
☆☆☆	MONGOLIA	Noun	←Mongolia	蒙古	mông cổ