government vs govern

government is a noun but govern is not a noun.

Word	Noun	Adjective	Verb	Adverb
government	Yes	No	No	No
govern	No	No	Yes	No

government (noun)	govern (noun)
the act of governing; exercising authority
(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

government (verb)	govern (verb)
	exercise authority over; as of nations
	direct or strongly influence the behavior of
	bring into conformity with rules or principles or usage; impose regulations
	require to be in a certain grammatical case, voice, or mood