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

→ English pock (derived)
→ Old English pocc (inherited)
→ Danish kopper (derived)
→ Danish pokker (derived)
→ German Pocke (derived)
→ Dutch pokken (inherited)
→ Dutch pok (derived)