Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
pedrer
←
Catalan
pedra
(suffix)
←
Catalan
er
(suffix)
→
Portuguese
pedreiro
(cognate)
→
Romanian
pietrar
(cognate)