garrison vs war machine

garrison and war machine both are nouns.

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

garrison (noun)	war machine (noun)
a fortified military post where troops are stationed	the military forces of a nation
the troops who maintain and guard a fortified place

garrison (verb)	war machine (verb)
station (troops) in a fort or garrison