great vs extraordinary

great is a noun but extraordinary is not a noun.

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

great (noun)	extraordinary (noun)
a person who has achieved distinction and honor in some field

great (adjective)	extraordinary (adjective)
excellent	beyond what is ordinary or usual; highly unusual or exceptional or remarkable; special
in an advanced stage of pregnancy	far more than usual or expected
uppercase	(of an official) serving an unusual or special function in addition to those of the regular officials
remarkable or out of the ordinary in degree or magnitude or effect
of major significance or importance
relatively large in size or number or extent; larger than others of its kind