Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Finnish kokata
Proto-Indo-European *pekʷ- (root)
Swedish koka (borrowed)

Finnish kokki (link)
Finnish kokkaaminen (affix)
Finnish kokkaus (affix)
Finnish kokkailla (affix)
Finnish kokkaaja (affix)