sauciness vs pertness

sauciness and pertness both are nouns.

Word	Noun	Adjective	Verb	Adverb
sauciness	Yes	No	No	No
pertness	Yes	No	No	No

As nouns, sauciness and pertness are synonyms defined as:

Other synonyms of sauciness include archness, impertinence, perkiness.

sauciness (noun)	pertness (noun)
inappropriate playfulness	inappropriate playfulness
	quality of being lively and confident