Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Occitan -enc
Latin -ēnsis (borrowed)
Occitan -és (doublet)

Occitan canadenc (affix)
Occitan estatsunidenc (affix)
Occitan estivenc (affix)
Occitan pirenenc (suffix)
Occitan mistralenc (suffix)
Occitan besierenc (suffix)