impertinence vs cheekiness

impertinence and cheekiness both are nouns.

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

As nouns, impertinence and cheekiness are synonyms defined as:

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

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

impertinence (noun)	cheekiness (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