This is the 1663rd most frequent Polish word.
piłce
"Piłce" means "ball" in the dative or locative case in Polish.
Here, 'piłce' is part of the term 'piłce nożnej,' meaning 'soccer,' and indicates the sport.
On gra w piłce nożnej na boisku każdego weekendu.
He plays soccer on the field every weekend.
In this case, 'piłce' refers to a literal ball, showing possession: 'this ball' (tej piłce).
W tej piłce znajduje się wystarczająca ilość powietrza do gry.
This ball has enough air for playing.
'Piłce' here is within the term 'piłce ręcznej,' referring to the sport of handball.