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

→ Faroese rúm (derived)
→ French arrimer (mention)
→ Volga German Raum (derived)
→ Icelandic rúm (derived)
→ Old Norse rúm (derived)
→ Swedish rum (inherited)