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: địa bản 地板

KOREAN 3.0	Eng	Wordtype	Etym.	Gb	Vie
☆☆	MARU	Noun		木地板	maru; sàn, hành lang
☆☆	ROOM FLOOR	Noun	房 바닥	地板	nền nhà