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 *sъ(n)

→ Old Church Slavonic съ (inherited)
→ Old Church Slavonic съпасти (derived)
→ Old Church Slavonic съ- (link)
→ Lower Sorbian z (inherited)
→ Lower Sorbian snědaś (mention)
→ Latin cum (cognate)
→ Lithuanian su (cognate)
→ Old East Slavic съпаси богъ (affix)
→ Polish z (inherited)
→ Polish Sejm (mention)
→ Romanian Seim (mention)
→ Romanian Ispas (derived)
→ Romanian ispăși (derived)
→ Russian с (inherited)
→ Russian с- (cognate)
→ Russian со- (cognate)
→ Russian снять (mention)
→ Russian спасти (derived)
→ Russian сдвиг (cognate)
→ Rusyn зо (inherited)
→ Rusyn зо (inherited(rue/uk))
→ Serbo-Croatian s (inherited)
→ Serbo-Croatian с (inherited)
→ Slovene z (inherited)
→ Ukrainian з (inherited)
→ Ukrainian зняти (mention)