Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
въсат
←
Bulgarian
въс
(affix)
←
Bulgarian
-ат
(affix)
←
Russian
уса́тый
(cognate)
←
Proto-Slavic
*ǫsatъ
(inherited)