know vs know

know and know both are nouns.

Word	Noun	Adjective	Verb	Adverb
know	Yes	No	Yes	No
know	Yes	No	Yes	No

know (noun)	know (noun)
the fact of being aware of information that is known to few people	the fact of being aware of information that is known to few people

know (verb)	know (verb)
be familiar or acquainted with a person or an object	be familiar or acquainted with a person or an object
be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about	be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about
know how to do or perform something	know how to do or perform something
have firsthand knowledge of states, situations, emotions, or sensations	have firsthand knowledge of states, situations, emotions, or sensations
accept (someone) to be what is claimed or accept his power and authority	accept (someone) to be what is claimed or accept his power and authority
know the nature or character of	know the nature or character of
be able to distinguish, recognize as being different	be able to distinguish, recognize as being different
perceive as familiar	perceive as familiar
have fixed in the mind	have fixed in the mind
have sexual intercourse with	have sexual intercourse with