Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
чей
←
Proto-Indo-European
*kʷe-
(root)
←
Proto-Slavic
*čьjь
(inherited)
→
Belarusian
чый
(cognate)
→
Lower Sorbian
ceji
(cognate)