impertinence vs impudence

impertinence and impudence both are nouns.

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

As nouns, impertinence and impudence are synonyms defined as:

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

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

As nouns, impertinence and impudence are synonyms defined as:

Other synonyms of impertinence include cheek.

impertinence (noun)	impudence (noun)
inappropriate playfulness	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
an impudent statement