Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
електронний
←
Belarusian
электро́нны
(cognate)
←
Russian
электро́нный
(cognate)
←
Ukrainian
електро́н
(affix)
←
Ukrainian
-ний
(affix)