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

→ German klug (derived)
→ Dutch kloek (inherited)
→ Old Norse klókr (derived)
→ Scots gleg (cognate)
→ Old Irish glicc (cognate)
→ Yiddish קלוג (derived)