Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
добрососедский
←
Belarusian
добрасусе́дскі
(cognate)
←
Polish
dobrosąsiedzki
(cognate)
←
Russian
до́брый
(affix)
←
Russian
-о-
(affix)
←
Russian
сосе́д
(affix)
←
Russian
-ский
(affix)
←
Ukrainian
добросусі́дський
(cognate)