Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
бял
←
Proto-Slavic
*bělъ
(inherited)
→
Bulgarian
белтък
(affix)
→
Bulgarian
бяло
(affix)
→
Bulgarian
бяло
(affix)