Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *h₂énsus

→ English Oslo (derived)
→ English Æsir (derived)
→ Faroese ásur (derived)
→ Icelandic ás (inherited)
→ Norwegian Bokmål Oslo (inherited)
→ Old Norse áss (derived)
→ Old Norse ǫ́ss (derived)