attack aircraft vs fighter aircraft

attack aircraft and fighter aircraft both are nouns.

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

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

attack aircraft and fighter aircraft: a high-speed military or naval airplane designed to destroy enemy aircraft in the air

Other synonyms of attack aircraft include fighter.

attack aircraft (noun)	fighter aircraft (noun)
a high-speed military or naval airplane designed to destroy enemy aircraft in the air	a high-speed military or naval airplane designed to destroy enemy aircraft in the air