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: mẫu tử 母子

KOREAN 3.0	Eng	Wordtype	Etym.	Gb	Vie
☆☆	MOTHER AND SON	Noun	母子	母子	mẫu tử