rite vs last rites

rite and last rites both are nouns.

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

As nouns, last rites is a hyponym of rite; that is, last rites is a word with a more specific, narrower meaning than rite:

Other hyponyms of rite include vigil, watch, orgy, circumcision, liturgy, office.

rite (noun)	last rites (noun)
any customary observance or practice	rites performed in connection with a death or burial
an established ceremony prescribed by a religion	a Catholic sacrament; a priest anoints a dying person with oil and prays for salvation