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

→ Belarusian яйцо (mention)
→ Bulgarian яйце (mention)
→ Czech vejce (mention)
→ Kashubian jajco (mention)
→ Old Church Slavonic аице (mention)
→ Old Church Slavonic ⰰⰹⱌⰵ (mention)
→ Lower Sorbian jajko (mention)
→ Lower Sorbian jajo (inherited)
→ Lower Sorbian jajce (mention)
→ Upper Sorbian jejo (inherited)
→ Macedonian јајце (mention)
→ Old East Slavic ꙗице (mention)
→ Polish jajko (mention)
→ Polish jajo (inherited)
→ Polish jajco (mention)
→ Polabian joji (inherited)
→ Russian яйцо (mention)
→ Russian яйце (mention)
→ Rusyn яйце (mention)
→ Serbo-Croatian jaje (inherited)
→ Serbo-Croatian јаје (inherited)
→ Serbo-Croatian jajce (mention)
→ Serbo-Croatian јајце (mention)
→ Slovak vajce (mention)
→ Slovene jajce (mention)
→ Ukrainian яйце (mention)
→ Slovincian jȧ̃jä (inherited)
→ Slovincian jȧ̃i̯cä (mention)