hardware vs implements of war

hardware and implements of war both are nouns.

Word	Noun	Adjective	Verb	Adverb
hardware	Yes	No	No	No
implements of war	Yes	No	No	No

As nouns, implements of war is a hypernym of hardware; that is, implements of war is a word with a broader meaning than hardware:

Other hypernyms of hardware include arms, munition, weaponry, weapons system.

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