zilch vs bugger all

zilch and bugger all both are nouns.

Word	Noun	Adjective	Verb	Adverb
zilch	Yes	No	No	No
bugger all	Yes	No	No	No

As nouns, bugger all is a hyponym of zilch; that is, bugger all is a word with a more specific, narrower meaning than zilch:

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

Other hyponyms of zilch include nihil, Fanny Adams, fuck all, sweet Fanny Adams.

zilch (noun)	bugger all (noun)
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential	little or nothing at all