Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
соба́ка
→
Belarusian
сабака
(cognate)
→
Russian
собака
(cognate)
→
Ukrainian
собачка
(affix)