Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
абгаварыць
←
Belarusian
аб-
(affix)
←
Belarusian
гавары́ць
(affix)
←
Ukrainian
обговори́ти
(cognate)