Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Polish jeleń
Proto-Slavic *(j)elenь (inherited)

Czech jelen (cognate)
Latvian alnis (cognate)
Polish jeleni (affix)
Polish Jeleń (mention)
Polish Leleń (mention)
Polish jelenię (affix)
Polish jelenina (affix)