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

Belarusian аблічча (mention)
Bulgarian окръг (mention)
Bulgarian обадя (mention)
Old Church Slavonic обида (mention)
Polish obóz (mention)
Romanian obloji (affix)
Romanian obrinti (affix)
Russian округ (mention)
Russian окорок (mention)
Russian обида (mention)
Russian опыт (mention)
Russian оболочка (affix)
Russian обличье (mention)
Russian ошмёток (mention)
Serbo-Croatian одољети (mention)
Serbo-Croatian одолети (mention)
Ukrainian обличчя (mention)