knife vs khukuri

knife and khukuri both are nouns.

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

As nouns, khukuri is a hyponym of knife; that is, khukuri is a word with a more specific, narrower meaning than knife:

knife: a weapon with a handle and blade with a sharp point
khukuri: a curved steel knife with a razor-sharp edge used in combat by the Gurkhas; has cultural and religious significance in Nepal

Other hyponyms of knife include bayonet, dagger, sticker, machete, matchet, panga, shiv, trench knife, yataghan, kindjal, seax.

knife (noun)	khukuri (noun)
edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle	a curved steel knife with a razor-sharp edge used in combat by the Gurkhas; has cultural and religious significance in Nepal
a weapon with a handle and blade with a sharp point
any long thin projection that is transient

knife (verb)	khukuri (verb)
use a knife on