tip vs knife

tip and knife both are nouns.

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

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

tip (verb)	knife (verb)
mark with a tip	use a knife on
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