Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romani
bul
→
Romanian
bulan
(borrowed)
→
Romanian
buli
(borrowed)
→
Romanian
bulangiu
(derived)
→
Romanian
bulău
(derived)