Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Megleno-Romanian
goră
←
Bulgarian
гора́
(borrowed)
←
Proto-Indo-European
*gʷerH-
(derived)
←
Proto-Slavic
*gora
(derived)