Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
Perera
←
Catalan
perera
(derived)
←
Galician
Pereira
(cognate)
←
Portuguese
Pereira
(cognate)
→
Portuguese
Pereira
(cognate)