decide vs govern

decide and govern both are verbs.

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

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

decide: reach, make, or come to a decision about something
govern: bring into conformity with rules or principles or usage; impose regulations

decide (verb)	govern (verb)
reach, make, or come to a decision about something	exercise authority over; as of nations
bring to an end; settle conclusively	direct or strongly influence the behavior of
cause to decide	bring into conformity with rules or principles or usage; impose regulations
influence or determine	require to be in a certain grammatical case, voice, or mood