APC vs armored vehicle

APC and armored vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
APC	Yes	No	No	No
armored vehicle	Yes	No	No	No

As nouns, armored vehicle is a hypernym of APC; that is, armored vehicle is a word with a broader meaning than APC:

APC: (military) an armored vehicle (usually equipped with caterpillar treads) that is used to transport infantry
armored vehicle: a vehicle that is protected by armor plate

Other hypernyms of APC include armoured vehicle.

APC (noun)	armored vehicle (noun)
a drug combination found in some over-the-counter headache remedies (aspirin and phenacetin and caffeine)	a vehicle that is protected by armor plate
(military) an armored vehicle (usually equipped with caterpillar treads) that is used to transport infantry