Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Borys
←
Belarusian
Барыс
(cognate)
←
Russian
Бори́с
(cognate)
←
Ukrainian
Бори́с
(derived)