archness vs sauciness

archness and sauciness both are nouns.

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

As nouns, archness and sauciness are synonyms defined as:

Other synonyms of archness include impertinence, perkiness, pertness.

archness (noun)	sauciness (noun)
inappropriate playfulness	inappropriate playfulness