nonproliferation vs prevention

nonproliferation and prevention both are nouns.

Word	Noun	Adjective	Verb	Adverb
nonproliferation	Yes	No	No	No
prevention	Yes	No	No	No

As nouns, prevention is a hypernym of nonproliferation; that is, prevention is a word with a broader meaning than nonproliferation:

nonproliferation: the prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons)
prevention: the act of preventing

Other hypernyms of nonproliferation include bar.

nonproliferation (noun)	prevention (noun)
the prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons)	the act of preventing