Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
ciutat
←
Latin
cīvitātem
(inherited)
←
Latin
cīvitās
(mention)
←
Old Occitan
ciutat
(inherited)
→
Occitan
ciutadan
(affix)
→
Portuguese
cidade
(cognate)