armoured personnel carrier vs APC

armoured personnel carrier and APC both are nouns.

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

As nouns, armoured personnel carrier and APC are synonyms defined as:

armoured personnel carrier and APC: (military) an armored vehicle (usually equipped with caterpillar treads) that is used to transport infantry

Other synonyms of armoured personnel carrier include armored personnel carrier.

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