Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
оста́ться
→
Belarusian
застацца
(cognate)
→
Russian
стать
(link)
→
Russian
остаток
(suffix)
→
Ukrainian
зостатися
(cognate)