just deserts vs plural

just deserts and plural both are nouns.

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

just deserts (noun)	plural (noun)
an outcome (good or bad) that is well deserved and fitting	the form of a word that is used to denote more than one

just deserts (adjective)	plural (adjective)
	grammatical number category referring to two or more items or units
	composed of more than one member, set, or kind