Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
мра
←
Proto-Indo-European
*mer-
(derived)
←
Proto-Slavic
*merti
(inherited)
→
Bulgarian
умра
(prefix)
→
Bulgarian
мърша
(affix)