war machine vs countermarch

war machine and countermarch both are nouns.

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

war machine (noun)	countermarch (noun)
the military forces of a nation	(military) a march in the reverse direction or back along the same route

war machine (verb)	countermarch (verb)
	change the order of soldiers during a march
	march back along the same way