elected official vs official

elected official and official both are nouns.

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

As nouns, official is a hypernym of elected official; that is, official is a word with a broader meaning than elected official:

Other hypernyms of elected official include functionary.

elected official (noun)	official (noun)
official who won the office in a free election	someone who administers the rules of a game or sport
	a worker who holds or is invested with an office

elected official (adjective)	official (adjective)
	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