Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
sageta
←
Latin
sagitta
(inherited)
←
Occitan
sageta
(cognate)
←
Old Occitan
(inherited)
→
Catalan
sagetera
(affix)
→
Occitan
sageta
(cognate)