Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
carro
←
Gaulish
karros
(derived)
←
Proto-Indo-European
*ḱr̥s-o-
(derived)
←
Proto-Indo-European
*ḱers-
(mention)
←
Latin
carrus
(inherited)
←
Occitan
carri
(cognate)
←
Occitan
carro
(mention)
←
Occitan
car
(mention)
→
Catalan
carreta
(mention)
→
Catalan
carret
(affix)
→
Catalan
carretó
(affix)
→
Occitan
carro
(mention)