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

Belarusian разумець (inherited)
Czech rozumět (inherited)
Old Church Slavonic разоумѣти (inherited)
Polish rozumieć (inherited)
Russian разуметь (inherited)
Serbo-Croatian razumeti (inherited)
Serbo-Croatian razumjeti (inherited)
Serbo-Croatian разумјети (inherited)
Serbo-Croatian разумети (inherited)
Serbo-Croatian razmeti (inherited)
Slovak rozumieť (inherited)
Slovene razumeti (inherited)
Ukrainian розуміти (inherited)