Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
czyj
←
Proto-Indo-European
*kʷi-y-
(mention)
←
Proto-Slavic
*čьjь
(mention)
→
Lower Sorbian
ceji
(cognate)
→
Polish
czyjś
(suffix)
→
Polish
czyjkolwiek
(suffix)