freshness vs impertinence

freshness and impertinence both are nouns.

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

As nouns, freshness and impertinence are synonyms defined as:

freshness and impertinence: the trait of being rude and impertinent; inclined to take liberties

Other synonyms of freshness include cheekiness, crust, gall, impudence, insolence.

freshness (noun)	impertinence (noun)
originality by virtue of being refreshingly novel	inappropriate playfulness
the property of being pure and fresh (as if newly made); not stale or deteriorated	the trait of being rude and impertinent; inclined to take liberties
the trait of being rude and impertinent; inclined to take liberties	an impudent statement
originality by virtue of being new and surprising
an alert and refreshed state