Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
подумати
←
Belarusian
паду́маць
(cognate)
←
Russian
поду́мать
(cognate)
←
Ukrainian
по-
(affix)
←
Ukrainian
ду́мати
(affix)