rite vs marriage

rite and marriage both are nouns.

Word	Noun	Adjective	Verb	Adverb
rite	Yes	No	No	No
marriage	Yes	No	No	No

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

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

rite (noun)	marriage (noun)
any customary observance or practice	the act of marrying; the nuptial ceremony
an established ceremony prescribed by a religion	two people who are married to each other
	the state of being a married couple voluntarily joined for life (or until divorce)
	a close and intimate union