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

→ English frock (derived)
→ French froc (mention)
→ Old French froc (mention)
→ Luxembourgish Rock (inherited)
→ Dutch Rock (inherited(nl/de))
→ Norman fro (derived)
→ Saterland Frisian Rok (derived)