arms control vs limitation

arms control and limitation both are nouns.

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

As nouns, limitation is a hypernym of arms control; that is, limitation 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
limitation: an act of limiting or restricting (as by regulation)

Other hypernyms of arms control include restriction.

arms control (noun)	limitation (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 quality of being limited or restricted
	a principle that limits the extent of something
	the greatest amount of something that is possible or allowed
	(law) a time period after which suits cannot be brought