homemaker vs married woman

homemaker and married woman both are nouns.

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

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

homemaker: a wife who manages a household while her husband earns the family income
married woman: a married woman; a man's partner in marriage

Other hypernyms of homemaker include wife.

homemaker (noun)	married woman (noun)
a wife who manages a household while her husband earns the family income	a married woman; a man's partner in marriage