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

→ Old Church Slavonic близньць (inherited)
→ Macedonian близнак (inherited)
→ Polish bliźniak (mention)
→ Russian близнец (inherited)
→ Aromanian biznat (derived)
→ Serbo-Croatian blizanac (inherited)
→ Serbo-Croatian близанац (inherited)