ma'am vs dame

ma'am and dame both are nouns.

Word	Noun	Adjective	Verb	Adverb
ma'am	Yes	No	No	No
dame	Yes	No	No	No

As nouns, ma'am and dame are synonyms defined as:

Other synonyms of ma'am include gentlewoman, lady, madam.

ma'am (noun)	dame (noun)
a woman of refinement	informal terms for a (young) woman
	a woman of refinement