Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
pastor
←
Proto-Indo-European
*peh₂-
(root)
←
Latin
pastor
(inherited)
←
Old Occitan
pastor
(inherited)
→
Occitan
pastre
(cognate)