Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
mastica
←
French
mastiquer
(borrowed)
←
Latin
masticare
(derived)
→
Romanian
masticare
(suffix)
→
Romanian
mesteca
(doublet)