war machine vs outpost

war machine and outpost both are nouns.

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

war machine (noun)	outpost (noun)
the military forces of a nation	a military post stationed at a distance from the main body of troops
	a settlement on the frontier of civilization
	a station in a remote or sparsely populated location