Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
fiar
←
Latin
fīdō
(inherited)
←
Old Occitan
(inherited)
→
Catalan
fiable
(affix)
→
Catalan
fiança
(affix)