just deserts vs poetic justice

just deserts and poetic justice both are nouns.

Word	Noun	Adjective	Verb	Adverb
just deserts	Yes	No	No	No
poetic justice	Yes	No	No	No

As nouns, just deserts and poetic justice are synonyms defined as:

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

Other synonyms of just deserts include comeupance, comeuppance.

just deserts (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