armoured combat vehicle vs turret

armoured combat vehicle and turret both are nouns.

Word	Noun	Adjective	Verb	Adverb
armoured combat vehicle	Yes	No	No	No
turret	Yes	No	No	No

armoured combat vehicle (noun)	turret (noun)
an enclosed armored military vehicle; has a cannon and moves on caterpillar treads	a small tower extending above a building
	a self-contained weapons platform housing guns and capable of rotation