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

→ Old Church Slavonic тъкнѫти (inherited)
→ Old Church Slavonic потъкнѫти (inherited)
→ Old Church Slavonic прѣтъкнѫти (inherited)
→ Polish tknąć (inherited)
→ Russian ткнуть (inherited)
→ Serbo-Croatian taknuti (inherited)
→ Serbo-Croatian такнути (inherited)