bayonet vs knife

bayonet and knife both are nouns.

Word	Noun	Adjective	Verb	Adverb
bayonet	Yes	No	Yes	No
knife	Yes	No	Yes	No

As nouns, knife is a hypernym of bayonet; that is, knife is a word with a broader meaning than bayonet:

bayonet: a knife that can be fixed to the end of a rifle and used as a weapon
knife: a weapon with a handle and blade with a sharp point

As verbs, knife is a hypernym of bayonet; that is, knife is a word with a broader meaning than bayonet:

Other hypernyms of bayonet include stab.

bayonet (noun)	knife (noun)
a knife that can be fixed to the end of a rifle and used as a weapon	edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
	a weapon with a handle and blade with a sharp point
	any long thin projection that is transient

bayonet (verb)	knife (verb)
stab or kill someone with a bayonet	use a knife on