impertinence vs archness

impertinence and archness both are nouns.

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

As nouns, impertinence and archness are synonyms defined as:

Other synonyms of impertinence include perkiness, pertness, sauciness.

impertinence (noun)	archness (noun)
inappropriate playfulness	inappropriate playfulness
the trait of being rude and impertinent; inclined to take liberties
an impudent statement