Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*kъnęgyni
→
Bulgarian
княгиня
(inherited)
→
Lower Sorbian
kněni
(inherited)
→
Polish
ksieni
(inherited)