polity vs authorities

polity and authorities both are nouns.

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

As nouns, authorities is a hyponym of polity; that is, authorities is a word with a more specific, narrower meaning than polity:

polity: a politically organized unit
authorities: the organization that is the governing authority of a political unit

Other hyponyms of polity include government, regime.

polity (noun)	authorities (noun)
shrewd or crafty management of public affairs	the organization that is the governing authority of a political unit
a politically organized unit
the form of government of a social organization