military machine vs armor

military machine and armor both are nouns.

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

military machine (noun)	armor (noun)
the military forces of a nation	tough more-or-less rigid protective covering of an animal or plant
	protective covering made of metal and used in combat
	a military unit consisting of armored fighting vehicles

military machine (verb)	armor (verb)
	equip with armor