Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
селезі́нка
→
Belarusian
селязёнка
(cognate)
→
Bulgarian
слезка
(cognate)
→
Russian
селезёнка
(cognate)