This is the 12409th most frequent German word.
volleyball
A sport where two teams hit a ball over a net to score points.
Here 'Volleyball' is used as the name of the sport being played.
Ich spiele gerne Volleyball.
I like playing volleyball.
In this sentence, 'Volleyball' refers to the physical ball used for playing the sport.
Der Volleyball ist rund und leicht.
The volleyball is round and light.
Here 'Volleyball' is used in the compound noun 'Volleyballturnier', specifying the type of tournament being mentioned.