Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Italic
*portus
→
Catalan
port
(derived)
→
Spanish
puerto
(inherited)
→
French
port
(derived)
→
Italian
porto
(inherited)
→
Latin
portus
(inherited)
→
Portuguese
porto
(inherited)