Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Slavic *krǫglъ

Bulgarian кръгъл (inherited)
Polish okrągły (inherited)
Polish krągły (inherited)
Russian круглый (inherited)
Silesian ôkrōngły (derived)
Ukrainian круглий (inherited)