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

→ Old English eam (inherited)
→ German Ohm (derived)
→ German Oheim (inherited)
→ Middle Dutch oom (inherited)
→ Dutch oom (inherited)
→ Old Frisian em (inherited)
→ Saterland Frisian Oom (inherited)