nine vs Nina from Carolina

nine and Nina from Carolina both are nouns.

Word	Noun	Adjective	Verb	Adverb
nine	Yes	Yes	No	No
Nina from Carolina	Yes	No	No	No

As nouns, nine and Nina from Carolina are synonyms defined as:

nine and Nina from Carolina: the cardinal number that is the sum of eight and one

Other synonyms of nine include 9, ennead, IX, niner.

nine (noun)	Nina from Carolina (noun)
one of four playing cards in a deck with nine pips on the face	the cardinal number that is the sum of eight and one
a team of professional baseball players who play and travel together
the cardinal number that is the sum of eight and one

nine (adjective)	Nina from Carolina (adjective)
denoting a quantity consisting of one more than eight and one less than ten