kamikaze vs fighter aircraft

kamikaze and fighter aircraft both are nouns.

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

As nouns, fighter aircraft is a hypernym of kamikaze; that is, fighter aircraft is a word with a broader meaning than kamikaze:

kamikaze: a fighter plane used for suicide missions by Japanese pilots in World War II
fighter aircraft: a high-speed military or naval airplane designed to destroy enemy aircraft in the air

Other hypernyms of kamikaze include attack aircraft, fighter.

kamikaze (noun)	fighter aircraft (noun)
a fighter plane used for suicide missions by Japanese pilots in World War II	a high-speed military or naval airplane designed to destroy enemy aircraft in the air
a pilot trained and willing to cause a suicidal crash