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

→ English spear (inherited)
→ Old English spere (inherited)
→ German Speer (derived)
→ Middle Dutch spere (inherited)
→ Middle English spere (inherited)
→ West Frisian spear (inherited)
→ Alemannic German spere (inherited)
→ Dutch speer (inherited)
→ Saterland Frisian Speer (derived)