Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Alemannic German Ee
German Ehe (cognate)
Proto-Germanic *aiwǭ (inherited)
Proto-Germanic *aiwaz (mention)
Old High German ēwa (inherited)
Icelandic æ (cognate)
Dutch eeuw (cognate)