This is the 6437th most frequent Polish word.
charles
The Polish word "charles" does not exist; it appears to be an English name.
The name Charles is used as a proper noun to indicate the name of a person.
Charles jest moim przyjacielem.
Charles is my friend.
Charles is used as part of a possessive form to indicate ownership or association.
Przeczytałem 'Biografię Charlesa' wczoraj.
I read 'Biography of Charles' yesterday.
Charles is a direct object in this sentence, and the form adjusts for grammatical cases in Polish.