Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
căi
←
Old Church Slavonic
каꙗти
(cognate)
←
Proto-Slavic
*kajati
(borrowed)
→
Romanian
căință
(suffix)