just deserts vs comeuppance

just deserts and comeuppance both are nouns.

Word	Noun	Adjective	Verb	Adverb
just deserts	Yes	No	No	No
comeuppance	Yes	No	No	No

As nouns, just deserts and comeuppance are synonyms defined as:

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

Other synonyms of just deserts include comeupance, poetic justice.

just deserts (noun)	comeuppance (noun)
an outcome (good or bad) that is well deserved and fitting	an outcome (good or bad) that is well deserved and fitting