cardinal vs nine

cardinal and nine both are nouns.

Word	Noun	Adjective	Verb	Adverb
cardinal	Yes	Yes	No	No
nine	Yes	Yes	No	No

cardinal (noun)	nine (noun)
crested thick-billed North American finch having bright red plumage in the male	one of four playing cards in a deck with nine pips on the face
a variable color averaging a vivid red	a team of professional baseball players who play and travel together
(Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes	the cardinal number that is the sum of eight and one
the number of elements in a mathematical set; denotes a quantity but not the order

cardinal (adjective)	nine (adjective)
being or denoting a numerical quantity but not order	denoting a quantity consisting of one more than eight and one less than ten
serving as an essential component