Maam. Without the apostophe.
Madam
Ma'am Madam
Madam, Ma'am
Madam
madam
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.
"Palindromic" is the adjective form of "palindrome."
'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'.
Madam, ma'am
Madam, ma'am
The comparative form of 'polite' is 'more polite' and the superlative form is 'most polite'.