military vs armoured personnel carrier

military and armoured personnel carrier both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
armoured personnel carrier	Yes	No	No	No

military (noun)	armoured personnel carrier (noun)
the military forces of a nation	(military) an armored vehicle (usually equipped with caterpillar treads) that is used to transport infantry

military (adjective)	armoured personnel carrier (adjective)
associated with or performed by members of the armed services as contrasted with civilians
characteristic of or associated with soldiers or the military
of or relating to the study of the principles of warfare