rite vs rite of passage

rite and rite of passage both are nouns.

Word	Noun	Adjective	Verb	Adverb
rite	Yes	No	No	No
rite of passage	Yes	No	No	No

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

rite: any customary observance or practice
rite of passage: a ritual performed in some cultures at times when an individual changes status (as from adolescence to adulthood)

Other hyponyms of rite include betrothal, espousal, marriage, marriage ceremony, wedding.

rite (noun)	rite of passage (noun)
any customary observance or practice	a ritual performed in some cultures at times when an individual changes status (as from adolescence to adulthood)
an established ceremony prescribed by a religion