govern vs necessitate

govern and necessitate both are verbs.

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

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

Other hypernyms of govern include ask, call for, demand, involve, need, postulate, require, take.

govern (verb)	necessitate (verb)
exercise authority over; as of nations	require as useful, just, or proper
direct or strongly influence the behavior of	cause to be a concomitant
bring into conformity with rules or principles or usage; impose regulations
require to be in a certain grammatical case, voice, or mood