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

→ Bulgarian сойка (inherited)
→ Czech sojka (inherited)
→ Macedonian сојка (inherited)
→ Polish sójka (inherited)
→ Serbo-Croatian sojka (inherited)
→ Serbo-Croatian сојка (inherited)
→ Slovak sojka (inherited)