war machine vs enemy

war machine and enemy both are nouns.

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

war machine (noun)	enemy (noun)
the military forces of a nation	an opposing military force
	any hostile group of people
	an armed adversary (especially a member of an opposing military force)
	a personal enemy