gaming vs sporting life

gaming and sporting life both are nouns.

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

As nouns, sporting life is a hyponym of gaming; that is, sporting life is a word with a more specific, narrower meaning than gaming:

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)
sporting life: active interest in gambling on sports events

Other hyponyms of gaming include bet, wager, gambling game, game of chance, throw, retrogaming.

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