Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Norse rokkr
← Proto-Germanic *rukkô (inherited)
← Old High German rocko (cognate)

→ English rock (derived)
→ English frock (cognate)
→ Faroese rokkur (derived)
→ Westrobothnian rakk (inherited)
→ Westrobothnian rakk (inherited)
→ Old High German rocko (cognate)
→ Icelandic rokkur (inherited)
→ Norwegian Bokmål rokk (derived)
→ Norwegian Nynorsk rokk (inherited)