gaming vs diversion

gaming and diversion both are nouns.

Word	Noun	Adjective	Verb	Adverb
gaming	Yes	No	No	No
diversion	Yes	No	No	No

As nouns, diversion is a hypernym of gaming; that is, diversion is a word with a broader 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)
diversion: an activity that diverts or amuses or stimulates

Other hypernyms of gaming include recreation, vice.

gaming (noun)	diversion (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)	an activity that diverts or amuses or stimulates
	a turning aside (of your course or attention or concern)
	an attack calculated to draw enemy defense away from the point of the principal attack