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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}	occupation	(activity or task with which one occupies oneself)	Beschäftigung {f}, Beruf {m}
{n}	occupation	(control of a country or region by a hostile army)	Besetzung {f}, Okkupation {f}