Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
гавка
←
Bulgarian
гав
(affix)
←
Bulgarian
-ка
(affix)
←
Russian
га́вка
(cognate)
←
Serbo-Croatian
га̑вка
(cognate)