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

→ Afrikaans -sel (inherited)
→ Old English -els (inherited)
→ Old English -else (derived)
→ German -sel (inherited)
→ Middle Low German -else (inherited)
→ Low German -else (derived)
→ Dutch -sel (inherited)