Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English Avon
Proto-Brythonic *aβon (derived)
Welsh afon (cognate)

English Avonsider (affix)
English Avonmouth (affix)
English Wychavon (mention)
English Northavon (affix)
English Avonbridge (affix)
English Aven (mention)