Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
електричка
←
Belarusian
электры́чка
(cognate)
←
Russian
электри́чка
(cognate)
←
Ukrainian
електри́чний
(affix)
←
Ukrainian
-ка
(affix)