Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
оставя
←
Bulgarian
о-
(prefix)
←
Bulgarian
ста́вя
(prefix)
←
Old Church Slavonic
оставити
(inherited)
←
Proto-Slavic
*ostaviti
(inherited)
→
Bulgarian
оставям
(affix)