naught vs relative quantity

naught and relative quantity both are nouns.

Word	Noun	Adjective	Verb	Adverb
naught	Yes	No	No	No
relative quantity	Yes	No	No	No

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

naught: a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential
relative quantity: a quantity relative to some purpose

naught (noun)	relative quantity (noun)
complete failure	a quantity relative to some purpose
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential