Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Middle Dutch ei
Proto-Germanic *ajją (inherited)
Proto-West Germanic *aij (inherited)
Proto-Indo-European *h₂ōwyóm (derived)
Old Dutch *ei (inherited)

Middle English ei (cognate)
Limburgish ei (inherited)
Dutch ei (inherited)