Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
посо́л
→
Bulgarian
посол
(borrowed)
→
Russian
соль
(link)
→
Russian
посольство
(suffix)
→
Russian
посольский
(affix)