Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
въгарец
←
Bulgarian
*ǫgrъ
(affix)
←
Bulgarian
-ец
(affix)
←
Czech
uher
(cognate)
←
Polish
wągier
(cognate)
←
Serbo-Croatian
у̀грк
(cognate)
←
Slovene
ọ̑grc
(cognate)