Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
verd
←
Latin
viridis
(inherited)
←
Old Occitan
vert
(inherited)
→
Catalan
verd
(cognate)
→
Portuguese
verde
(cognate)