Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Saxon thriotan
Proto-Germanic *þreutaną (inherited)
Proto-West Germanic *þreutan (inherited)

Old English þreotan (cognate)
Old English aþreotan (cognate)
German Low German âdräötig (inherited)
Old Saxon athriotan (prefix)