impertinence vs perkiness

impertinence and perkiness both are nouns.

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

As nouns, impertinence and perkiness are synonyms defined as:

Other synonyms of impertinence include archness, pertness, sauciness.

impertinence (noun)	perkiness (noun)
inappropriate playfulness	inappropriate playfulness
the trait of being rude and impertinent; inclined to take liberties	cheerfulness that bubbles to the surface
an impudent statement