Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
слана
←
Bulgarian
-на
(affix)
←
Proto-Indo-European
*ḱelH-
(cognate)
←
Proto-Slavic
*solna
(inherited)
←
Proto-Slavic
(cognate)