government vs unitary

government is a noun but unitary is not a noun.

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

government (noun)	unitary (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 (adjective)	unitary (adjective)
	characterized by or constituting a form of government in which power is held by one central authority
	of or pertaining to or involving the use of units
	relating to or characterized by or aiming toward unity
	having the indivisible character of a unit