executive vs authorities

executive and authorities both are nouns.

Word	Noun	Adjective	Verb	Adverb
executive	Yes	Yes	No	No
authorities	Yes	No	No	No

executive (noun)	authorities (noun)
persons who administer the law	the organization that is the governing authority of a political unit
a person responsible for the administration of a business
someone who manages a government agency or department

executive (adjective)	authorities (adjective)
having the function of carrying out plans or orders etc.