governing vs govern

governing is a noun but govern is not a noun.

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

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

governing (adjective)	govern (adjective)
responsible for making and enforcing rules and laws

governing (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