govern vs district

govern is not a noun while district is a noun.

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

As verbs, district is a hyponym of govern; that is, district is a word with a more specific, narrower meaning than govern:

govern: bring into conformity with rules or principles or usage; impose regulations
district: regulate housing in; of certain areas of towns

Other hyponyms of govern include standardise, standardize, zone.

govern (noun)	district (noun)
	a region marked off for administrative or other purposes

govern (verb)	district (verb)
exercise authority over; as of nations	regulate housing in; of certain areas of towns
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