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

→ English foe (inherited)
→ Old English fah (inherited)
→ Old English fah (inherited)
→ Danish fejde (mention)
→ German Feh (inherited)
→ Middle English fo (inherited)
→ Old Frisian fach (inherited)
→ Scots faw (inherited)