Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*kakъ
→
Lithuanian
koks
(cognate)
→
Polabian
koťĕ
(inherited)
→
Russian
какой
(inherited)