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

→ Old Church Slavonic жиръ (inherited)
→ Macedonian жир (inherited)
→ Polish żer (inherited)
→ Romanian jir (derived)
→ Russian жир (inherited)
→ Serbo-Croatian жир (inherited)
→ Serbo-Croatian žir (inherited)
→ Ukrainian жир (inherited)