govern vs require

govern and require both are verbs.

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

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

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

govern (verb)	require (verb)
exercise authority over; as of nations	make someone do something
direct or strongly influence the behavior of	consider obligatory; request and expect
bring into conformity with rules or principles or usage; impose regulations	have need of
require to be in a certain grammatical case, voice, or mood	require as useful, just, or proper