Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
línia
←
Catalan
llinya
(doublet)
←
Latin
līnea
(learned borrowing)
→
Catalan
linier
(suffix)
→
Catalan
llinya
(doublet)