dame vs ma'am

dame and ma'am both are nouns.

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

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

Other synonyms of dame include gentlewoman, lady, madam.

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