war vs military machine

war and military machine both are nouns.

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

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