Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
merla
←
Spanish
mierla
(cognate)
←
Italian
merla
(cognate)
←
Latin
merula
(inherited)
←
Occitan
mèrla
(cognate)
←
Romanian
mierlă
(cognate)
→
Catalan
mallerenga
(mention)