nothing vs zilch

nothing and zilch both are nouns.

Word	Noun	Adjective	Verb	Adverb
nothing	Yes	No	No	Yes
zilch	Yes	No	No	No

As nouns, nothing and zilch are synonyms defined as:

nothing and zilch: a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

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

nothing (noun)	zilch (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

nothing (adverb)	zilch (adverb)
in no respect; to no degree