quality vs positive

quality and positive both are nouns.

Word	Noun	Adjective	Verb	Adverb
quality	Yes	Yes	No	No
positive	Yes	Yes	No	No

quality (noun)	positive (noun)
an essential and distinguishing attribute of something or someone	a film showing a photographic image whose tones correspond to those of the original subject
(music) the distinctive property of a complex sound (a voice or noise or musical sound)	the primary form of an adjective or adverb; denotes a quality without qualification, comparison, or relation to increase or diminution
a degree or grade of excellence or worth
a characteristic property that defines the apparent individual nature of something
high social status

quality (adjective)	positive (adjective)
of superior grade	characterized by or displaying affirmation or acceptance or certainty etc.
of high social status	indicating existence or presence of a suspected condition or pathogen
	reckoned, situated or tending in the direction which naturally or arbitrarily is taken to indicate increase or progress or onward motion
	of or relating to positivism
	involving advantage or good
	persuaded of; very sure
	having a positive charge
	marked by excessive confidence
	formally laid down or imposed
	greater than zero
	impossible to deny or disprove