misalliance vs matrimony

misalliance and matrimony both are nouns.

Word	Noun	Adjective	Verb	Adverb
misalliance	Yes	No	No	No
matrimony	Yes	No	No	No

As nouns, matrimony is a hypernym of misalliance; that is, matrimony is a word with a broader meaning than misalliance:

misalliance: an unsuitable alliance (especially with regard to marriage)
matrimony: the state of being a married couple voluntarily joined for life (or until divorce)

Other hypernyms of misalliance include marriage, spousal relationship, union, wedlock.

misalliance (noun)	matrimony (noun)
an unsuitable alliance (especially with regard to marriage)	the ceremony or sacrament of marriage
	the state of being a married couple voluntarily joined for life (or until divorce)