Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
орляк
←
Bulgarian
оре́л
(cognate)
←
Bulgarian
-ляк
(affix)
←
Proto-Indo-European
*h₃er-
(cognate)