zilch vs aught

zilch and aught both are nouns.

Word	Noun	Adjective	Verb	Adverb
zilch	Yes	No	No	No
aught	Yes	No	No	No

As nouns, zilch and aught are synonyms defined as:

zilch and aught: a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

Other synonyms of zilch include cipher, cypher, goose egg, nada, naught, nil, nix, nothing, null, zero, zip, zippo.

zilch (noun)	aught (noun)
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential	a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential