quality vs inferiority

quality and inferiority both are nouns.

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

As nouns, inferiority is a hyponym of quality; that is, inferiority is a word with a more specific, narrower meaning than quality:

Other hyponyms of quality include high quality, superiority, low quality.

quality (noun)	inferiority (noun)
an essential and distinguishing attribute of something or someone	an inferior quality
(music) the distinctive property of a complex sound (a voice or noise or musical sound)	the quality of being a competitive disadvantage
a degree or grade of excellence or worth	the state of being inferior
a characteristic property that defines the apparent individual nature of something
high social status

quality (adjective)	inferiority (adjective)
of superior grade
of high social status