relative quantity vs quantity

relative quantity and quantity both are nouns.

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

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

relative quantity: a quantity relative to some purpose
quantity: how much there is or how many there are of something that you can quantify

Other hypernyms of relative quantity include amount, measure.

relative quantity (noun)	quantity (noun)
a quantity relative to some purpose	how much there is or how many there are of something that you can quantify
	an adequate or large amount
	the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable