Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
bōvem
→
Catalan
bou
(inherited)
→
Old Occitan
bou
(inherited)
→
Romanian
bou
(inherited)
→
Aromanian
bou
(inherited)