dictate vs govern

dictate is a noun but govern is not a noun.

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

As verbs, govern is a hypernym of dictate; that is, govern is a word with a broader meaning than dictate:

Other hypernyms of dictate include rule.

dictate (noun)	govern (noun)
a guiding principle
an authoritative rule

dictate (verb)	govern (verb)
say out loud for the purpose of recording	exercise authority over; as of nations
issue commands or orders for	direct or strongly influence the behavior of
rule as a dictator	bring into conformity with rules or principles or usage; impose regulations
	require to be in a certain grammatical case, voice, or mood