non-proliferation vs prevention

non-proliferation and prevention both are nouns.

Word	Noun	Adjective	Verb	Adverb
non-proliferation	Yes	No	No	No
prevention	Yes	No	No	No

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

non-proliferation: 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 non-proliferation include bar.

non-proliferation (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