weaponry vs munition

weaponry and munition both are nouns.

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

As nouns, weaponry and munition are synonyms defined as:

Other synonyms of weaponry include arms, implements of war, weapons system.

weaponry (noun)	munition (noun)
weapons considered collectively	weapons considered collectively
	defensive structure consisting of walls or mounds built around a stronghold to strengthen it
	military supplies

weaponry (verb)	munition (verb)
	supply with weapons