Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*jakъ
→
Belarusian
які
(inherited)
→
Bulgarian
як
(inherited)
→
Polabian
joťĕ
(inherited)
→
Russian
який
(inherited(ru/uk))