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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}	pants	(garment covering the body from the waist downwards)	Hose {f}
{n}	pants	(undergarment covering the genitals)	Unterhose {f}, Schlüpfer {m}