superior vs superlative

superior and superlative both are nouns.

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

superior (noun)	superlative (noun)
a character or symbol set or printed or written above and immediately to one side of another character	an exaggerated expression (usually of praise)
one of greater rank or station or quality	the superlative form of an adjective or adverb
the head of a religious community	the highest level or degree attainable; the highest stage of development
a combatant who is able to defeat rivals

superior (adjective)	superlative (adjective)
written or printed above and to one side of another character	highest in quality
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