madame vs form of address

madame and form of address both are nouns.

Word	Noun	Adjective	Verb	Adverb
madame	Yes	No	No	No
form of address	Yes	No	No	No

As nouns, form of address is a hypernym of madame; that is, form of address is a word with a broader meaning than madame:

madame: title used for a married Frenchwoman
form of address: an identifying appellation signifying status or function: e.g. `Mr.' or `General'

Other hypernyms of madame include title, title of respect.

madame (noun)	form of address (noun)
title used for a married Frenchwoman	an identifying appellation signifying status or function: e.g. `Mr.' or `General'