last rites vs plural

last rites and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
last rites	Yes	No	No	No
plural	Yes	Yes	No	No

last rites (noun)	plural (noun)
rites performed in connection with a death or burial	the form of a word that is used to denote more than one
a Catholic sacrament; a priest anoints a dying person with oil and prays for salvation

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