Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
учтив
←
Bulgarian
учи́там
(cognate)
←
Bulgarian
учета́
(affix)
←
Bulgarian
-ив
(affix)
←
Old Church Slavonic
оучьтивъ
(inherited)