Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
préssec
←
Spanish
prisco
(cognate)
←
French
pêche
(cognate)
←
Latin
persicum
(inherited)
←
Occitan
persec
(cognate)
→
Catalan
presseguer
(suffix)
→
Catalan
presseguera
(suffix)