IX vs Nina from Carolina

IX and Nina from Carolina both are nouns.

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

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

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

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

IX (noun)	Nina from Carolina (noun)
the cardinal number that is the sum of eight and one	the cardinal number that is the sum of eight and one