Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
близнак
←
Bulgarian
близне́ц
(cognate)
←
Bulgarian
бли́зо
(affix)
←
Bulgarian
-нак
(affix)
←
Proto-Slavic
*blizьnakъ
(inherited)