Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
ager
←
Latin
agilis
(inherited)
←
Romanian
agil
(doublet)
→
Romanian
agil
(doublet)
→
Romanian
agerime
(suffix)