government vs governing body

government and governing body both are nouns.

Word	Noun	Adjective	Verb	Adverb
government	Yes	No	No	No
governing body	Yes	No	No	No

government (noun)	governing body (noun)
the act of governing; exercising authority	the persons (or committees or departments etc.) who make up a body for the purpose of administering something
(government) the system or form by which a community or other political unit is governed
the study of government of states and other political units
the organization that is the governing authority of a political unit