domino effect vs consequence

domino effect and consequence both are nouns.

Word	Noun	Adjective	Verb	Adverb
domino effect	Yes	No	No	No
consequence	Yes	No	No	No

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

domino effect: the consequence of one event setting off a chain of similar events (like a falling domino causing a whole row of upended dominos to fall)
consequence: a phenomenon that follows and is caused by some previous phenomenon

Other hypernyms of domino effect include effect, event, issue, outcome, result, upshot.

domino effect (noun)	consequence (noun)
the consequence of one event setting off a chain of similar events (like a falling domino causing a whole row of upended dominos to fall)	having important effects or influence
	the outcome of an event especially as relative to an individual
	a phenomenon that follows and is caused by some previous phenomenon