sporting life vs gaming

sporting life and gaming both are nouns.

Word	Noun	Adjective	Verb	Adverb
sporting life	Yes	No	No	No
gaming	Yes	No	No	No

As nouns, gaming is a hypernym of sporting life; that is, gaming is a word with a broader meaning than sporting life:

sporting life: active interest in gambling on sports events
gaming: the act of playing for stakes in the hope of winning (including the payment of a price for a chance to win a prize)

Other hypernyms of sporting life include gambling, play.

sporting life (noun)	gaming (noun)
active interest in gambling on sports events	the act of playing for stakes in the hope of winning (including the payment of a price for a chance to win a prize)