love match vs marriage

love match and marriage both are nouns.

Word	Noun	Adjective	Verb	Adverb
love match	Yes	No	No	No
marriage	Yes	No	No	No

As nouns, marriage is a hypernym of love match; that is, marriage is a word with a broader meaning than love match:

Other hypernyms of love match include marriage ceremony, wedding.

love match (noun)	marriage (noun)
a marriage for love's sake; not an arranged marriage	the act of marrying; the nuptial ceremony
	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