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madam is the most popular phrase on the web.

ma'am 1993,000 results on the web	madam 192,500,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
(in Britain) a term used in addressing the queen or a royal princess. Origin of ma' am. Expand. 1660 See ma'am defined for English language learners .... "Yes, ma'am" is a polite way of addressing a woman, which very much reflects respect towards her. 1670. 1660 The term Ma'am is often coupled with the word No, to create the phrase "No Ma' am", which flows off the tounge very well if you have a Southern US accent. In British English, ma'am has become uncommon, although it must be used when addressing the queen more than once: after first addressing her as Your ... 70; by contraction. Dictionary.com Unabridged	The cathedral just struck five, madam. We just want to see Kalpana madam. Kalpana isn't "madam". We can override, madam president. But madam president, I take full responsibility. You continue to underestimate my capabilities, madam. Dear madam, a fantasy is no alibi. Everything regarding witches concerns me, madam.

ma'am

1993,000 results on the web

madam

192,500,000 results on the web

More popular!

(in Britain) a term used in addressing the queen or a royal princess. Origin of ma' am. Expand. 1660
See ma'am defined for English
language learners .... "Yes, ma'am" is a polite way of addressing a woman, which very much reflects respect towards her.
1670. 1660
The term Ma'am is often coupled with the word No, to create the phrase "No Ma' am", which flows off the tounge very well if you have a Southern US accent.
In British English, ma'am has become uncommon, although it must be used when addressing the queen more than once: after first addressing her as Your ...
70; by contraction. Dictionary.com Unabridged