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

→ Belarusian жарало (inherited)
→ Bulgarian жрело (inherited)
→ Czech zřídlo (inherited)
→ Polish źródło (inherited)
→ Russian жерело (inherited)
→ Serbo-Croatian ždrijelo (inherited)
→ Serbo-Croatian ždrelo (inherited)
→ Serbo-Croatian ждрело (inherited)
→ Serbo-Croatian ждријело (inherited)
→ Ukrainian джерело (inherited)