bolo knife vs knife

bolo knife and knife both are nouns.

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

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

bolo knife: long heavy knife with a single edge; of Philippine origin
knife: edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle

bolo knife (noun)	knife (noun)
long heavy knife with a single edge; of Philippine origin	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

bolo knife (verb)	knife (verb)
	use a knife on