war vs war machine

war and war machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
war	Yes	No	Yes	No
war machine	Yes	No	No	No

war (noun)	war machine (noun)
the waging of armed conflict against an enemy	the military forces of a nation
a concerted campaign to end something that is injurious
an active struggle between competing entities
a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply

war (verb)	war machine (verb)
make or wage war