nada vs nil

nada and nil both are nouns.

Word	Noun	Adjective	Verb	Adverb
nada	Yes	No	No	No
nil	Yes	No	No	No

As nouns, nada and nil are synonyms defined as:

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

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

nada (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