Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
kakav
←
Proto-Slavic
*kakovъ
(inherited)
→
Serbo-Croatian
ikakav
(prefix)
→
Serbo-Croatian
bilokakav
(prefix)