wedding vs love match

wedding and love match both are nouns.

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

As nouns, love match is a hyponym of wedding; that is, love match is a word with a more specific, narrower meaning than wedding:

Other hyponyms of wedding include bridal, espousal, civil marriage, remarriage.

wedding (noun)	love match (noun)
the act of marrying; the nuptial ceremony	a marriage for love's sake; not an arranged marriage
the social event at which the ceremony of marriage is performed
a party of people at a wedding