This is the 10668th most frequent Russian word.
волейбола
"Volleyball."
The word 'волейбола' is used in the genitive case to complement the predicate 'играть в', indicating the activity being participated in.
Я люблю играть в волейбола.
I love playing volleyball.
The word 'волейболу' is in the dative case following the preposition 'по', which denotes the subject of training.
Тренировка по волейболу прошла успешно.
The volleyball training went well.
The word 'волейбола' is in the genitive case indicating possession or association, specifying that the ball is for volleyball.