Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
castra
←
French
castrer
(borrowed)
←
Latin
castrō
(borrowed)
←
Romanian
cresta
(mention)
→
Romanian
castrare
(suffix)
→
Romanian
cresta
(mention)
→
Romanian
castrat
(mention)