Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
молоди́й
→
Belarusian
малады
(cognate)
→
Ukrainian
молодята
(affix)
→
Ukrainian
молодість
(affix)