Madam
Maam. Without the apostophe.
The word "ma'am" is a noun of polite address, a contraction for "madam." The plural is "mesdames." Another polite address form is "ladies."
The comparative form of polite is more polite. The superlative form is most polite.
Madam, Ma'am
'Mr.' is a polite and respectful form of address. Even if you know the personnel manager's name is Fred Jones, it's more polite to address him as 'Mr. Jones' rather than 'Fred'.
The comparative form of 'polite' is 'more polite' and the superlative form is 'most polite'.
The abstract noun form of the adjective 'polite' is politeness.
you ( plural or polite form)
The noun form of the adjective 'polite' is politeness.
In addressing people in Italy, it is always best to use the polite form, lei. When doing business in Italy, it is smart to address people using Signor and Signora.
A polite address is a way of writing or talking to someone, in which you would use a prefixed title. Such as saying Dr. Whoever, or Mrs. Smith, it is the polite way to address someone.
The noun form of the word "polite" is "politeness".