Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Swedish jag
Proto-Germanic *ek (inherited)
Old Swedish iak (inherited)
Old Swedish jæk (mention)
Proto-Norse ᛖᚲ (inherited)
Proto-Indo-European *éǵh₂ (inherited)
Old Norse jak (inherited)

English I (cognate)
Old English ic (cognate)
Gutnish ja (cognate)
Elfdalian ig (cognate)
Swedish ja (link)
Swedish jag förstår inte (mention)
Swedish jagpsykologi (compound)
Swedish vetja (mention)