quantity vs standard

quantity and standard both are nouns.

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

quantity (noun)	standard (noun)
how much there is or how many there are of something that you can quantify	any distinctive flag
an adequate or large amount	an upright pole or beam (especially one used as a support)
the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable	the ideal in terms of which something can be judged
	a basis for comparison; a reference point against which other things can be evaluated
	the value behind the money in a monetary system
	a board measure = 1980 board feet

quantity (adjective)	standard (adjective)
	established or well-known or widely recognized as a model of authority or excellence
	conforming to or constituting a standard of measurement or value; or of the usual or regularized or accepted kind
	conforming to the established language usage of educated native speakers
	commonly used or supplied
	regularly and widely used or sold