Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Moigrad-Porolissum
←
Old Church Slavonic
*моиградъ
(derived)
←
Old Church Slavonic
мои
(affix)
←
Old Church Slavonic
градъ
(affix)