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

→ Belarusian адзін (inherited)
→ Lower Sorbian jaden (inherited)
→ Upper Sorbian jedyn (inherited)
→ Macedonian еден (inherited)
→ Rusyn єден (inherited)
→ Serbo-Croatian jedan (inherited)
→ Serbo-Croatian jen (inherited)
→ Slovene en (derived)
→ Slovene eden (inherited)
→ Slovincian jȧ̃děn (inherited)