reprover vs authority

reprover and authority both are nouns.

Word	Noun	Adjective	Verb	Adverb
reprover	Yes	No	No	No
authority	Yes	No	No	No

As nouns, authority is a hypernym of reprover; that is, authority is a word with a broader meaning than reprover:

reprover: someone who finds fault or imputes blame
authority: (usually plural) persons who exercise (administrative) control over others

reprover (noun)	authority (noun)
someone who finds fault or imputes blame	the power or right to give orders or make decisions
	official permission or approval
	freedom from doubt; belief in yourself and your abilities
	an authoritative written work
	an administrative unit of government
	an expert whose views are taken as definitive
	(usually plural) persons who exercise (administrative) control over others