impudence vs chutzpa

impudence and chutzpa both are nouns.

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

As nouns, chutzpa is a hyponym of impudence; that is, chutzpa is a word with a more specific, narrower meaning than impudence:

impudence: the trait of being rude and impertinent; inclined to take liberties
chutzpa: (Yiddish) unbelievable gall; insolence; audacity

Other hyponyms of impudence include chutzpah, hutzpah.

impudence (noun)	chutzpa (noun)
the trait of being rude and impertinent; inclined to take liberties	(Yiddish) unbelievable gall; insolence; audacity
an impudent statement