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

English dey (inherited)
Old English hlæfdige (derived)
Old English dæge (derived)
Old Swedish deghia (inherited)
Icelandic deigja (inherited)
Norwegian Nynorsk deie (inherited)