Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
cendra
←
Spanish
ceniza
(cognate)
←
French
cendre
(cognate)
←
Proto-Indo-European
*ken-
(derived)
←
Italian
cenere
(cognate)
←
Latin
cinis
(inherited)
←
Occitan
cendre
(cognate)
→
Catalan
cendrer
(suffix)