superior vs caliber

superior and caliber both are nouns.

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

superior (noun)	caliber (noun)
a character or symbol set or printed or written above and immediately to one side of another character	a degree or grade of excellence or worth
one of greater rank or station or quality	diameter of a tube or gun barrel
the head of a religious community
a combatant who is able to defeat rivals

superior (adjective)	caliber (adjective)
written or printed above and to one side of another character
of or characteristic of high rank or importance
of high or superior quality or performance
having an orbit farther from the sun than the Earth's orbit
(sometimes followed by `to') not subject to or influenced by
having a higher rank
(often followed by `to') above being affected or influenced by