archness vs pertness

archness and pertness both are nouns.

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

As nouns, archness and pertness are synonyms defined as:

Other synonyms of archness include impertinence, perkiness, sauciness.

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