Fanny Adams vs naught

Fanny Adams and naught both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fanny Adams	Yes	No	No	No
naught	Yes	No	No	No

As nouns, naught is a hypernym of Fanny Adams; that is, naught is a word with a broader meaning than Fanny Adams:

Fanny Adams: little or nothing at all
naught: a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

Other hypernyms of Fanny Adams include aught, cipher, cypher, goose egg, nada, nil, nix, nothing, null, zero, zilch, zip, zippo.

Fanny Adams (noun)	naught (noun)
nautical term for tinned meat	complete failure
little or nothing at all	a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential