Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old East Slavic
перстень
→
Belarusian
персцень
(mention)
→
Russian
перстень
(mention)
→
Ukrainian
перстень
(mention)