Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
rigāre
→
Catalan
regar
(inherited)
→
Spanish
regar
(inherited)
→
Italian
rigare
(borrowed)
→
Portuguese
regar
(inherited)