comeuppance vs poetic justice

comeuppance and poetic justice both are nouns.

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

As nouns, comeuppance and poetic justice are synonyms defined as:

comeuppance and poetic justice: an outcome (good or bad) that is well deserved and fitting

Other synonyms of comeuppance include comeupance, just deserts.

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