arms control vs restriction

arms control and restriction both are nouns.

Word	Noun	Adjective	Verb	Adverb
arms control	Yes	No	No	No
restriction	Yes	No	No	No

As nouns, restriction is a hypernym of arms control; that is, restriction is a word with a broader meaning than arms control:

arms control: a limitation on the size and armament of the armed forces of a country
restriction: an act of limiting or restricting (as by regulation)

Other hypernyms of arms control include limitation.

arms control (noun)	restriction (noun)
a limitation on the size and armament of the armed forces of a country	an act of limiting or restricting (as by regulation)
	the act of keeping something within specified bounds (by force if necessary)
	a principle that limits the extent of something