hardware vs ironware

hardware and ironware both are nouns.

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

As nouns, hardware and ironware are synonyms defined as:

hardware and ironware: instrumentalities (tools or implements) made of metal

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