flyover vs war machine

flyover and war machine both are nouns.

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

flyover (noun)	war machine (noun)
a flight at a low altitude (usually of military aircraft) over spectators on the ground	the military forces of a nation
bridge formed by the upper level of a crossing of two highways at different levels