Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Bulgarian сведок
Bulgarian свидетел (cognate)
Bulgarian вям (affix)
Bulgarian -ок (affix)
Proto-Slavic *sъvědъkъ (inherited)
Proto-Slavic *sъvědokъ (mention)

Bulgarian веда (link)
Bulgarian свидетел (cognate)