Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
ki
←
Proto-Indo-European
*kʷos
(inherited)
←
Proto-Indo-European
*yos
(mention)
←
Proto-Slavic
*kъjь
(inherited)