Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
fortalessa
→
Spanish
fortaleza
(derived)
→
Spanish
fortalecer
(derived)
→
Galician
fortaleza
(derived)
→
Galician
fortalecer
(derived)
→
Portuguese
fortaleza
(derived)
→
Portuguese
fortalecer
(derived)