caliber vs quality

caliber and quality both are nouns.

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

As nouns, caliber and quality are synonyms defined as:

Other synonyms of caliber include calibre.

caliber (noun)	quality (noun)
a degree or grade of excellence or worth	an essential and distinguishing attribute of something or someone
diameter of a tube or gun barrel	(music) the distinctive property of a complex sound (a voice or noise or musical sound)
	a degree or grade of excellence or worth
	a characteristic property that defines the apparent individual nature of something
	high social status

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