Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
успе́х
→
Belarusian
поспех
(cognate)
→
Russian
неуспех
(prefix)
→
Russian
успешный
(affix)
→
Russian
безуспешный
(affix)