Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*kys(ь)lъ
→
Russian
кислый
(inherited)
→
Serbo-Croatian
kisao
(inherited)
→
Serbo-Croatian
кисао
(inherited)
→
Ukrainian
кислий
(inherited)