Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Swedish köpa
Danish købe (cognate)
German kaufen (cognate)
English cheap (cognate)
Proto-Germanic *kaupijaną (inherited)
Proto-Germanic *kaupōną (mention)
Proto-Germanic *kaupô (mention)
Old Swedish køpa (inherited)
Latin caupo (cognate)
Latin caupōnor (mention)
Dutch kopen (cognate)
Norwegian kjøpe (cognate)
Old Norse keypa (inherited)
Old Norse kaupa (mention)

English cheap (mention)
German Kauf (mention)
Finnish kaupunki (cognate)
Pennsylvania German kaafe (cognate)
Swedish köp (mention)
Swedish köpare (suffix)
Swedish köpman (compound)
Swedish köptempel (compound)