impudence vs crust

impudence and crust both are nouns.

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

As nouns, impudence and crust are synonyms defined as:

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

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

impudence (noun)	crust (noun)
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	the outer layer of the Earth
	a hard outer layer that covers something

impudence (verb)	crust (verb)
	form a crust or form into a crust