Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Bulgarian пряк
Belarusian пе́рек (cognate)
Czech příka (cognate)
Czech příč (mention)
Old Church Slavonic прѣкы (mention)
Lower Sorbian pŕeki (cognate)
Upper Sorbian prěki (cognate)
Old East Slavic перекъ (cognate)
Polish w poprzek (cognate)
Polish przeko (cognate)
Russian поперёк (cognate)
Serbo-Croatian при̏јек (cognate)
Serbo-Croatian при̏јекӣ (mention)
Serbo-Croatian при̏јеко (mention)
Slovak priek (cognate)
Proto-Slavic *perkъ (inherited)
Ukrainian пере́ка (cognate)

Bulgarian непряк (affix)
Bulgarian пряко (affix)