Fanny Adams vs nix

Fanny Adams and nix both are nouns.

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

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

Fanny Adams: little or nothing at all
nix: 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, naught, nil, nothing, null, zero, zilch, zip, zippo.

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

Fanny Adams (verb)	nix (verb)
	command against