military machine vs flanker

military machine and flanker both are nouns.

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

military machine (noun)	flanker (noun)
the military forces of a nation	a soldier who is a member of a detachment assigned to guard the flanks of a military formation
	a back stationed wide of the scrimmage line; used as a pass receiver