Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
estuaire
←
French
étier
(doublet)
←
Latin
aestuārium
(borrowed)
→
French
étier
(doublet)
→
Romanian
estuar
(borrowed)