authorized vs official

authorized is not a noun while official is a noun.

Word	Noun	Adjective	Verb	Adverb
authorized	No	Yes	No	No
official	Yes	Yes	No	No

authorized (noun)	official (noun)
	someone who administers the rules of a game or sport
	a worker who holds or is invested with an office

authorized (adjective)	official (adjective)
endowed with authority	having official authority or sanction
	of or relating to an office
	verified officially
	(of a church) given official status as a national or state institution
	conforming to set usage, procedure, or discipline