vicereine vs married woman

vicereine and married woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
vicereine	Yes	No	No	No
married woman	Yes	No	No	No

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

Other hypernyms of vicereine include wife.

vicereine (noun)	married woman (noun)
governor of a country or province who rules as the representative of his or her king or sovereign	a married woman; a man's partner in marriage
wife of a viceroy