Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
sou
←
Catalan
sòlid
(doublet)
←
French
sou
(cognate)
←
Latin
solidus
(inherited)
→
Catalan
sòlid
(doublet)