munition vs armament

munition and armament both are nouns.

Word	Noun	Adjective	Verb	Adverb
munition	Yes	No	Yes	No
armament	Yes	No	No	No

As nouns, armament is a hyponym of munition; that is, armament is a word with a more specific, narrower meaning than munition:

Other hyponyms of munition include ammo, ammunition, bomb, defence system, defense system, gunnery, hardware, naval weaponry.

As nouns, armament is a hypernym of munition; that is, armament is a word with a broader meaning than munition:

munition (noun)	armament (noun)
weapons considered collectively	the act of equipping with weapons in preparation for war
defensive structure consisting of walls or mounds built around a stronghold to strengthen it	weaponry used by military or naval force
military supplies

munition (verb)	armament (verb)
supply with weapons