Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic bifur
Danish bæver (borrowed)
Proto-Germanic *bebruz (derived)
Proto-Indo-European *bʰébʰrus (derived)
Icelandic bifa (mention)
Icelandic bjór (link)

Icelandic bjór (link)