nothing vs nil

nothing and nil both are nouns.

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

As nouns, nothing and nil are synonyms defined as:

nothing and nil: 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, nix, null, zero, zilch, zip, zippo.

nothing (noun)	nil (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)	nil (adverb)
in no respect; to no degree