General Activity:
* Bowling (this is the most common and general term)
Specific Game:
* Game of bowling
* Bowling match
The Sport:
* Bowling (again, the most common and general term)
Other Specific Nouns:
* Lane (the area where the ball is bowled)
* Ball (the object used to knock down the pins)
* Pins (the objects that are knocked down)
* Strike (knocking down all ten pins with the first ball)
* Spare (knocking down all ten pins in two balls)
So, the best noun depends on the specific context! 😊