Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
слънце
←
Proto-Indo-European
*sóh₂wl̥
(inherited)
←
Proto-Slavic
*sъlnьce
(inherited)
→
Bulgarian
слънчав
(affix)