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

Belarusian яйцо (inherited)
Bulgarian яйце (inherited)
Czech vejce (inherited)
Kashubian jajco (inherited)
Old Church Slavonic аице (inherited)
Old Church Slavonic ⰰⰹⱌⰵ (inherited)
Lower Sorbian jajce (inherited)
Macedonian јајце (inherited)
Old East Slavic ꙗице (inherited)
Polish jajco (inherited)
Russian яйцо (inherited)
Russian яйце (inherited)
Rusyn яйце (inherited)
Serbo-Croatian jajce (inherited)
Serbo-Croatian јајце (inherited)
Slovak vajce (inherited)
Slovene jajce (inherited)
Ukrainian яйце (inherited)
Ukrainian яице (inherited(uk/orv))
Slovincian jȧ̃i̯cä (inherited)