Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*akъ
→
Macedonian
јак
(inherited)
→
Polish
jaki
(inherited)
→
Serbo-Croatian
jak
(inherited)
→
Serbo-Croatian
јак
(inherited)
→
Slovak
aký
(inherited)