chutzpa vs crust

chutzpa and crust both are nouns.

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

As nouns, crust is a hypernym of chutzpa; that is, crust is a word with a broader meaning than chutzpa:

Other hypernyms of chutzpa include cheekiness, freshness, gall, impertinence, impudence, insolence.

chutzpa (noun)	crust (noun)
(Yiddish) unbelievable gall; insolence; audacity	the trait of being rude and impertinent; inclined to take liberties
	the outer layer of the Earth
	a hard outer layer that covers something

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