Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
grav
←
French
grave
(borrowed)
←
Latin
gravis
(borrowed)
←
Romanian
greu
(doublet)
→
Romanian
gravitate
(suffix)
→
Romanian
greu
(doublet)