Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
концентрація
←
Belarusian
канцэнтра́цыя
(cognate)
←
Polish
koncentracja
(cognate)
←
Russian
концентра́ция
(cognate)