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

→ Macedonian смрчак (inherited)
→ Russian сморчок (inherited)
→ Serbo-Croatian smrčak (inherited)
→ Serbo-Croatian смрчак (inherited)
→ Slovene smrček (inherited)