umbrella vs war machine

umbrella and war machine both are nouns.

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

umbrella (noun)	war machine (noun)
a formation of military planes maintained over ground operations or targets	the military forces of a nation
having the function of uniting a group of similar things
a lightweight handheld collapsible canopy

umbrella (adjective)	war machine (adjective)
covering or applying simultaneously to a number of similar items or elements or groups