failure vs naught

failure and naught both are nouns.

Word	Noun	Adjective	Verb	Adverb
failure	Yes	No	No	No
naught	Yes	No	No	No

As nouns, naught is a hyponym of failure; that is, naught is a word with a more specific, narrower meaning than failure:

failure (noun)	naught (noun)
an act that fails	complete failure
an unexpected omission	a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential
an event that does not accomplish its intended purpose
a person with a record of failing; someone who loses consistently
lack of success
loss of ability to function normally
inability to discharge all your debts as they come due