extraordinary vs special

extraordinary is not a noun while special is a noun.

Word	Noun	Adjective	Verb	Adverb
extraordinary	No	Yes	No	No
special	Yes	Yes	No	No

extraordinary (noun)	special (noun)
	a special offering (usually temporary and at a reduced price) that is featured in advertising
	a television production that features a particular person or work or topic
	a dish or meal given prominence in e.g. a restaurant

extraordinary (adjective)	special (adjective)
beyond what is ordinary or usual; highly unusual or exceptional or remarkable; special	for a special service or occasion
far more than usual or expected	first and most important
(of an official) serving an unusual or special function in addition to those of the regular officials	adapted to or reserved for a particular purpose
	having a specific function or scope
	surpassing what is common or usual or expected
	added to a regular schedule
	unique or specific to a person or thing or category