poetic justice vs consequence

poetic justice and consequence both are nouns.

Word	Noun	Adjective	Verb	Adverb
poetic justice	Yes	No	No	No
consequence	Yes	No	No	No

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

poetic justice: an outcome (good or bad) that is well deserved and fitting
consequence: the outcome of an event especially as relative to an individual

Other hypernyms of poetic justice include aftermath.

poetic justice (noun)	consequence (noun)
an outcome (good or bad) that is well deserved and fitting	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