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

→ English doughty (inherited)
→ Old English dyhtig (inherited)
→ Danish dygtig (derived)
→ German tüchtig (inherited)
→ Luxembourgish dichteg (inherited)
→ Dutch duchtig (inherited)
→ Swedish duktig (derived)