brazenness vs shamelessness

brazenness and shamelessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
brazenness	Yes	No	No	No
shamelessness	Yes	No	No	No

As nouns, brazenness and shamelessness are synonyms defined as:

brazenness and shamelessness: behavior marked by a bold defiance of the proprieties and lack of shame

brazenness (noun)	shamelessness (noun)
behavior marked by a bold defiance of the proprieties and lack of shame	behavior marked by a bold defiance of the proprieties and lack of shame