aircraft carrier vs attack aircraft carrier

aircraft carrier and attack aircraft carrier both are nouns.

Word	Noun	Adjective	Verb	Adverb
aircraft carrier	Yes	No	No	No
attack aircraft carrier	Yes	No	No	No

As nouns, aircraft carrier and attack aircraft carrier are synonyms defined as:

aircraft carrier and attack aircraft carrier: a large warship that carries planes and has a long flat deck for takeoffs and landings

Other synonyms of aircraft carrier include carrier, flattop.

aircraft carrier (noun)	attack aircraft carrier (noun)
a large warship that carries planes and has a long flat deck for takeoffs and landings	a large warship that carries planes and has a long flat deck for takeoffs and landings