Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
едно
←
Bulgarian
един
(link)
←
Bulgarian
*edьnъ
(affix)
←
Bulgarian
-о
(affix)
←
Proto-Slavic
*edьnъ
(inherited)
→
Bulgarian
едноок
(compound)