honest woman vs married woman

honest woman and married woman both are nouns.

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

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

honest woman: a wife who has married a man with whom she has been living for some time (especially if she is pregnant at the time)
married woman: a married woman; a man's partner in marriage

Other hypernyms of honest woman include wife.

honest woman (noun)	married woman (noun)
a wife who has married a man with whom she has been living for some time (especially if she is pregnant at the time)	a married woman; a man's partner in marriage