This is the 3717th most frequent Polish word.
krzysztof
"Krzysztof" is the Polish equivalent of the English name "Christopher."
Proper noun used as a subject
Krzysztof gra na gitarze.
Krzysztof plays the guitar.
Genitive form of the proper noun indicating possession
Podaj mi książkę Krzysztofa.
Hand me Krzysztof's book.
Accusative form of the proper noun used as a direct object