Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Swedish ek
Proto-Germanic *aiks (inherited)
Proto-Indo-European *h₂eyǵ- (root)
Proto-Indo-European *h₂eyǵ- (inherited)
Old Norse eik (inherited)

English oak (cognate)
English futtock (mention)
English Ekberg (mention)
English Ekstrand (mention)
English Ekdahl (mention)
German Eiche (cognate)
Swedish eke (mention)
Swedish eka (mention)
Swedish Eklund (mention)
Swedish Ekström (compound)
Swedish Ek (mention)
Swedish eker (mention)
Swedish Ekberg (compound)
Swedish ekmes (affix)
Swedish eksångare (affix)
Swedish Eklöf (compound)
Swedish Ekdahl (compound)