knife vs tip

knife and tip both are nouns.

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

knife (noun)	tip (noun)
edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle	an indication of potential opportunity
a weapon with a handle and blade with a sharp point	the extreme end of something; especially something pointed
any long thin projection that is transient	the top or extreme point of something (usually a mountain or hill)
	a relatively small amount of money given for services rendered (as by a waiter)
	a V shape

knife (verb)	tip (verb)
use a knife on	mark with a tip
	remove the tip from
	give insider information or advise to
	strike lightly
	walk on one's toes
	to incline or bend from a vertical position
	cause to tilt
	cause to topple or tumble by pushing
	give a tip or gratuity to in return for a service, beyond the compensation agreed on