war machine vs spy

war machine and spy both are nouns.

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

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

war machine (verb)	spy (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