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

→ Bulgarian вал (inherited)
→ Polish wał (inherited)
→ Polish wałek (inherited)
→ Romanian val (derived)
→ Russian вал (inherited)
→ Serbo-Croatian val (inherited)
→ Serbo-Croatian вал (inherited)
→ Slovene val (inherited)
→ Albanian valë (cognate)