bandwagon effect vs event

bandwagon effect and event both are nouns.

Word	Noun	Adjective	Verb	Adverb
bandwagon effect	Yes	No	No	No
event	Yes	No	No	No

As nouns, event is a hypernym of bandwagon effect; that is, event is a word with a broader meaning than bandwagon effect:

bandwagon effect: the phenomenon of a popular trend attracting even greater popularity
event: a phenomenon that follows and is caused by some previous phenomenon

Other hypernyms of bandwagon effect include consequence, effect, issue, outcome, result, upshot.

bandwagon effect (noun)	event (noun)
the phenomenon of a popular trend attracting even greater popularity	something that happens at a given place and time
	a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory
	a phenomenon that follows and is caused by some previous phenomenon
	a special set of circumstances