govern vs governing

govern is not a noun while governing is a noun.

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

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

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

govern (verb)	governing (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