Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cvadrat
←
German
Quadrat
(borrowed)
←
Latin
quadrātum
(derived)
←
Romanian
pătrat
(doublet)
→
Romanian
pătrat
(doublet)