Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Bulgarian буна
Bulgarian буя́ (affix)
Bulgarian -на (affix)
Bulgarian бу́йство (link)
Bulgarian вълноло́м (link)
Bulgarian вълноре́з (link)
German Buhne (borrowed)
Proto-Slavic *buna (inherited)