one vs extraordinary

one is a noun but extraordinary is not a noun.

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

one (noun)	extraordinary (noun)
a single person or thing
the smallest whole number or a numeral representing this number

one (adjective)	extraordinary (adjective)
used of a single unit or thing; not two or more	beyond what is ordinary or usual; highly unusual or exceptional or remarkable; special
being a single entity made by combining separate components	far more than usual or expected
(informal) very; used informally as an intensifier	(of an official) serving an unusual or special function in addition to those of the regular officials
eminent beyond or above comparison
indefinite in time or position
of the same kind or quality
having the indivisible character of a unit