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

→ Belarusian песня (inherited)
→ Czech píseň (inherited)
→ Old Church Slavonic пѣснь (inherited)
→ Macedonian песна (inherited)
→ Polish pieśń (inherited)
→ Russian песня (inherited)
→ Russian песнь (inherited)
→ Russian пѣсня (inherited)
→ Serbo-Croatian pesma (derived)
→ Serbo-Croatian песма (derived)
→ Serbo-Croatian pjesma (derived)
→ Serbo-Croatian пјесма (derived)
→ Serbo-Croatian pjesna (inherited)
→ Serbo-Croatian пјесна (inherited)
→ Slovak pieseň (inherited)
→ Slovene pesem (inherited)
→ Ukrainian пісня (inherited)
→ Old Czech pieseň (inherited)