Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Dutch -nis
Proto-West Germanic *-nassī (inherited)
Old Dutch -nissi (inherited)
Old Dutch -nussi (mention)

Dutch gebeurtenis (affix)
Dutch gelijkenis (affix)
Dutch bekentenis (affix)
Dutch gedachtenis (affix)
Dutch beeltenis (affix)
Dutch besnijdenis (suffix)
Dutch belijdenis (affix)
Dutch verderfenis (suffix)
Dutch droefenis (affix)
Dutch bewustenis (affix)
Dutch ontkentenis (affix)
Dutch groetenis (affix)
Dutch verdoemenis (affix)
Dutch deemsternis (suffix)