Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
foro
←
Spanish
fuero
(cognate)
←
Latin
forum
(derived)
←
Old Portuguese
foro
(inherited)
→
Portuguese
aforar
(affix)