Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*koylos
→
Serbo-Croatian
ceo
(derived)
→
Serbo-Croatian
cio
(inherited)
→
Serbo-Croatian
цио
(derived)
→
Serbo-Croatian
цео
(derived)