attack aircraft carrier vs flattop

attack aircraft carrier and flattop both are nouns.

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

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

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

Other synonyms of attack aircraft carrier include aircraft carrier, carrier.

attack aircraft carrier (noun)	flattop (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
	a closely cropped haircut; usually for men or boys