Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
clavícula
←
Catalan
clavilla
(doublet)
←
Latin
clavicula
(borrowed)
→
Catalan
clavicular
(suffix)
→
Catalan
clavilla
(doublet)