fighter vs attack aircraft

fighter and attack aircraft both are nouns.

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

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

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

Other synonyms of fighter include fighter aircraft.

fighter (noun)	attack 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
someone who fights (or is fighting)
someone who fights for a cause