Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
говоря
←
Proto-Indo-European
*gow(H)-
(derived)
←
Proto-Slavic
*govoriti
(inherited)
→
Bulgarian
разговоря
(prefix)