Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
pélagique
←
Ancient Greek
πελαγικός
(derived)
←
Latin
pelagicus
(derived)
→
French
bathypélagique
(affix)
→
Romanian
pelagic
(borrowed)