Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Bulgarian брат
Proto-Indo-European *bʰréh₂tēr (inherited)
Proto-Slavic *bratrъ (inherited)
Proto-Slavic *bratъ (mention)

Bulgarian братя (affix)
Bulgarian братски (affix)
Bulgarian братов (affix)
Bulgarian -ия (link)
Bulgarian братле (suffix)
Bulgarian браташ (affix)