Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
опонент
←
Belarusian
апане́нт
(cognate)
←
German
Opponent
(borrowed)
←
Polish
oponent
(cognate)
←
Russian
оппоне́нт
(cognate)