million vs cardinal

million and cardinal both are nouns.

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

million (noun)	cardinal (noun)
the number that is represented as a one followed by 6 zeros	crested thick-billed North American finch having bright red plumage in the male
a very large indefinite number (usually hyperbole)	a variable color averaging a vivid red
	(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 number of elements in a mathematical set; denotes a quantity but not the order

million (adjective)	cardinal (adjective)
(in Roman numerals, M written with a macron over it) denoting a quantity consisting of 1,000,000 items or units	being or denoting a numerical quantity but not order
	serving as an essential component