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

English pea (inherited)
Old English pawa (inherited)
German Pfau (inherited)
Middle English po (inherited)
Old High German pfawo (inherited)
Dutch pauw (inherited)
Russian павлин (derived)
Yiddish פּאַווע (derived)