Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
anunța
←
French
annoncer
(borrowed)
←
Latin
annuntiare
(derived)
→
Romanian
anunț
(back-formation)
→
Romanian
anunțare
(suffix)