Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
още
←
Proto-Indo-European
*h₁esk(ʷ)e(h₁)
(inherited)
←
Proto-Slavic
*(j)ešče
(inherited)