This is the 1533rd most frequent Polish word.
biletów
"Tickets" (genitive plural of "bilet").
The word 'biletów' here is in the genitive plural case used to express possession or absence.
Nie mamy już biletów na koncert.
We no longer have tickets for the concert.
The word 'biletów' is in the genitive plural case, expressing selection or partitive meaning.
Wybraliśmy najlepsze miejsce z licznych biletów.
We selected the best seat from numerous tickets.
The word 'biletów' appears in the genitive plural case, indicating direct association with the noun of being checked.