military machine vs umbrella

military machine and umbrella both are nouns.

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

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

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