Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
економити
←
Belarusian
экано́міць
(cognate)
←
Russian
эконо́мить
(cognate)
←
Ukrainian
еконо́мія
(affix)
←
Ukrainian
-ити
(affix)