Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
трьнава
→
Romanian
Târnava
(borrowed)
→
Romanian
Târnava Mare
(derived)
→
Romanian
Târnava Mică
(derived)