hell-rooster vs fighter

hell-rooster and fighter both are nouns.

Word	Noun	Adjective	Verb	Adverb
hell-rooster	Yes	No	No	No
fighter	Yes	No	No	No

As nouns, fighter is a hypernym of hell-rooster; that is, fighter is a word with a broader meaning than hell-rooster:

Other hypernyms of hell-rooster include battler, belligerent, combatant, scrapper.

hell-rooster (noun)	fighter (noun)
someone who is a very fierce fighter	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