official vs formal

official and formal both are nouns.

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

official (noun)	formal (noun)
someone who administers the rules of a game or sport	a gown for evening wear
a worker who holds or is invested with an office	a lavish dance requiring formal attire

official (adjective)	formal (adjective)
having official authority or sanction	being in accord with established forms and conventions and requirements (as e.g. of formal dress)
of or relating to an office	(of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms
verified officially	refined or imposing in manner or appearance; befitting a royal court
(of a church) given official status as a national or state institution	logically deductive
conforming to set usage, procedure, or discipline	represented in simplified or symbolic form
	characteristic of or befitting a person in authority