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