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

→ Bulgarian белег (inherited)
→ Macedonian белег (inherited)
→ Serbo-Croatian beleg (inherited)
→ Serbo-Croatian белег (inherited)
→ Serbo-Croatian biljeg (inherited)
→ Serbo-Croatian биљег (inherited)
→ Albanian bejleg (cognate)