hangover vs official

hangover and official both are nouns.

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

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

Other hypernyms of hangover include functionary.

hangover (noun)	official (noun)
something that has survived from the past	someone who administers the rules of a game or sport
an official who remains in office after his term	a worker who holds or is invested with an office
disagreeable aftereffects from the use of drugs (especially alcohol)

hangover (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