Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
desinfectar
←
Occitan
des-
(affix)
←
Occitan
infectar
(affix)
→
Occitan
desinfectant
(affix)