Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Danish købe
German kaufen (cognate)
Proto-Germanic *kaupōną (inherited)
Proto-Germanic *kaupijaną (mention)
Old Danish køpæ (inherited)
Latin caupō (derived)
Dutch kopen (cognate)
Old Norse kaupa (derived)
Old Norse keypta (mention)

Danish køb (mention)
Danish køber (suffix)
Danish købmand (compound)
Danish købedygtig (affix)
Danish købstad (compound)
Norwegian Bokmål kjøpe (derived)
Norwegian Bokmål kjøp (derived)
Norwegian Bokmål ab-kjøp (derived)
Swedish köpa (cognate)