Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Danish evig
German ewig (cognate)
Proto-Germanic *aiwaz (mention)
Middle Low German ēwich (borrowed)
Proto-West Germanic *aiwaz (derived)
Dutch eeuwig (cognate)

Danish evighed (suffix)
Danish forevige (affix)