Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
prolongo
←
Latin
prō
(prefix)
←
Latin
longus
(prefix)
→
Catalan
prolongar
(borrowed)
→
Spanish
prolongar
(borrowed)
→
French
prolonger
(borrowed)
→
Galician
prolongar
(derived)
→
Portuguese
prolongar
(borrowed)