Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Polish pięść
Proto-Indo-European *pn̥kʷ-sti (mention)
Proto-Indo-European *pénkʷe (mention)
Proto-Slavic *pęstь (inherited)

Old English fyst (cognate)
Polish piącha (affix)
Polish pięściak (affix)
Polish pięściarz (affix)