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