Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
дурість
←
Belarusian
ду́расць
(cognate)
←
Russian
ду́рость
(cognate)
←
Ukrainian
дур
(affix)
←
Ukrainian
-ість
(affix)