Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English cag
German Kag (cognate)
Middle English kag (inherited)
Proto-Germanic *kagô (derived)
Old Norse kaggi (cognate)
Old Norse kaggi (cognate)
Swedish kagge (cognate)
Swedish kage (cognate)

English cack-handed (compound)