This is the 11886th most frequent Polish word.
krzyżówki
"Krzyżówki" in English means "crosswords" or "crossword puzzles."
Here, 'krzyżówki' is used to refer to crossword puzzles which are considered a tool for enhancing vocabulary.
Kupuję krzyżówki, aby rozwijać słownictwo.
I buy crosswords to develop vocabulary.
In this context, 'krzyżówki' refers to crossword puzzles that are part of someone's collection.
Moja kolekcja obejmuje stare krzyżówki z lat 80.
My collection includes old crosswords from the 80s.
Here, 'krzyżówki' denotes crossword puzzles as activity materials in an educational setting.