caliber vs inferiority

caliber and inferiority both are nouns.

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

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

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

caliber (noun)	inferiority (noun)
a degree or grade of excellence or worth	an inferior quality
diameter of a tube or gun barrel	the quality of being a competitive disadvantage
	the state of being inferior