Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Church Slavonic съ
Proto-Indo-European *ḱom (inherited)
Proto-Slavic *sъ(n) (inherited)

Old Church Slavonic сътворити (prefix)
Old Church Slavonic съвѣдь (prefix)
Old Church Slavonic съвѣсть (affix)
Old Church Slavonic съвѣдѣти (prefix)
Old Church Slavonic съпричѧстьникъ (prefix)
Old Church Slavonic съставъ (prefix)
Old Church Slavonic сътѧжати (prefix)
Old Church Slavonic сънити (prefix)
Old Church Slavonic съзьдати (prefix)
Old Church Slavonic съзидати (prefix)
Old Church Slavonic събꙑти (prefix)
Old Church Slavonic съхранити (prefix)
Old Church Slavonic съмѣреньѥ (link)
Old Church Slavonic съмѣрити (prefix)
Old Church Slavonic съпасти (prefix)
Old Church Slavonic съпасти (prefix)
Old Church Slavonic съблазнь (prefix)
Old Church Slavonic съблазнити (prefix)
Old Church Slavonic съжещи (prefix)
Old Church Slavonic съмѧсти (prefix)
Old Church Slavonic сътѧѕати (prefix)
Old Church Slavonic сътрьти (prefix)
Old Church Slavonic съсѫдъ (prefix)