Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
-ата
←
Polish
-ota
(cognate)
←
Russian
-ота́
(cognate)
←
Proto-Slavic
*-ota
(inherited)
←
Ukrainian
-ота́
(cognate)