spy vs war machine

spy and war machine both are nouns.

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

spy (noun)	war machine (noun)
(military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors	the military forces of a nation
a secret watcher; someone who secretly watches other people

spy (verb)	war machine (verb)
secretly collect sensitive or classified information; engage in espionage
watch, observe, or inquire secretly
catch sight of
catch sight of; to perceive with the eyes