Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*koťьka
→
Bulgarian
котка
(inherited)
→
Russian
кошка
(inherited(ru/be))
→
Russian
кошка
(inherited)