Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Polish wrzesień
Belarusian верасень (cognate)
Polish wrzos (affix)
Polish -eń (affix)
Ukrainian вересень (cognate)

Belarusian верасень (cognate)
Polish wrześniowy (suffix)
Polish Wrzesień (mention)
Russian вересень (cognate)