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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'.

{adj}	practical	(based on practice or action rather than theory or hypothesis)	praktisch
{adj}	practical	(being likely to be effective and applicable to a real situation)	praktisch
{adj}	practical	(having skills or knowledge that are practical)	praktisch