weaponry vs hardware

weaponry and hardware both are nouns.

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

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

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

weaponry (noun)	hardware (noun)
weapons considered collectively	(computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
	major items of military weaponry (as tanks or missile)
	instrumentalities (tools or implements) made of metal