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