just deserts vs comeupance

just deserts and comeupance both are nouns.

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

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

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

Other synonyms of just deserts include comeuppance, poetic justice.

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