brashness vs tawdriness

brashness and tawdriness both are nouns.

Word	Noun	Adjective	Verb	Adverb
brashness	Yes	No	No	No
tawdriness	Yes	No	No	No

As nouns, brashness and tawdriness are synonyms defined as:

Other synonyms of brashness include flashiness, garishness, gaudiness, glitz, loudness, meretriciousness.

brashness (noun)	tawdriness (noun)
the trait of being rash and hasty	tasteless showiness
tasteless showiness