1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Etymology Explore the origin of the 'core words'.
Wordsense Learn about the wordsenses of the english term.

COMPOUNDS

gục gặc to nod one's assent
xoét signify one assent by winking
đồng thuận to agree, assent