Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
rai
←
Old Church Slavonic
рай
(borrowed)
←
Proto-Indo-Iranian
*raHíš
(derived)
←
Proto-Indo-European
*reh₁ís
(derived)
←
Proto-Iranian
*raHíš
(derived)
←
Proto-Slavic
*rajь
(derived)
→
Romanian
cer
(link)