Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
вчера
←
Proto-Indo-European
*-h₁
(cognate)
←
Proto-Slavic
*vьčera
(inherited)
←
Proto-Slavic
*večerъ
(derived)