Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Norse eign
Proto-Indo-European *h₂eyḱ- (root)
Old Norse eiga (mention)
Old Norse eiginn (mention)

Danish egn (derived)
Faroese ogn (derived)
Icelandic eign (inherited)
Norwegian Bokmål egn (derived)
Norwegian Nynorsk eign (inherited)