Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic búa
← Proto-Germanic *būaną (inherited)
← Proto-Indo-European *bʰuH- (root)
← Old Norse búa (inherited)

→ Icelandic undirbúa (affix)
→ Icelandic býr (mention)
→ Icelandic bý (mention)
→ Icelandic bjuggu (mention)
→ Icelandic bjóst (mention)