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

Old Church Slavonic начѧти (inherited)
Old Church Slavonic начинати (inherited)
Russian начать (inherited)
Russian -чинать (mention)
Serbo-Croatian načeti (inherited)
Slovene načeti (inherited)