enemy vs military machine

enemy and military machine both are nouns.

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

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