uxoricide vs married man

uxoricide and married man both are nouns.

Word	Noun	Adjective	Verb	Adverb
uxoricide	Yes	No	No	No
married man	Yes	No	No	No

As nouns, married man is a hypernym of uxoricide; that is, married man is a word with a broader meaning than uxoricide:

Other hypernyms of uxoricide include hubby, husband.

uxoricide (noun)	married man (noun)
the murder of a wife by her husband	a married man; a woman's partner in marriage
a husband who murders his wife