Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
penedo
←
Galician
pena
(suffix)
←
Galician
edo
(suffix)
→
Catalan
Penedès
(cognate)
→
Galician
pena
(link)