butter vs fighter

butter and fighter both are nouns.

Word	Noun	Adjective	Verb	Adverb
butter	Yes	No	Yes	No
fighter	Yes	No	No	No

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

Other hypernyms of butter include battler, belligerent, combatant, scrapper.

butter (noun)	fighter (noun)
an edible emulsion of fat globules made by churning milk or cream; for cooking and table use	a high-speed military or naval airplane designed to destroy enemy aircraft in the air
a fighter who strikes the opponent with his head	someone who fights (or is fighting)
	someone who fights for a cause

butter (verb)	fighter (verb)
spread butter on