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

→ English seam (inherited)
→ Old English seam (inherited)
→ German Saum (inherited)
→ Middle Dutch soom (inherited)
→ Luxembourgish Sam (inherited)
→ Dutch zoom (inherited)
→ Plautdietsch Soom (inherited)
→ Saterland Frisian Soom (inherited)