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'.
Etymology Explore the origin of the 'core words'.

{n}	angle	(corner where two walls intersect)	Ecke {f}
{n}	angle	(geometrical figure)	Winkel {m}
{n}	angle	(measure of such a figure)	Winkel {m}
{n}	angle	(viewpoint)	Blickwinkel {m}
{v}	angle	(to fish with hook and line)	angeln