leave vs admit

leave is a noun but admit is not a noun.

Word	Noun	Adjective	Verb	Adverb
leave	Yes	No	Yes	No
admit	No	No	Yes	No

leave (noun)	admit (noun)
the act of departing politely
permission to do something
the period of time during which you are absent from work or duty

leave (verb)	admit (verb)
leave unchanged or undisturbed or refrain from taking	declare to be true or admit the existence or reality or truth of
be survived by after one's death	admit into a group or community
leave behind unintentionally	allow participation in or the right to be part of; permit to exercise the rights, functions, and responsibilities of
go and leave behind, either intentionally or by neglect or forgetfulness	allow to enter; grant entry to
move out of or depart from	give access or entrance to
go away from a place	serve as a means of entrance
leave or give by will after one's death	have room for; hold without crowding
transmit (knowledge or skills)	afford possibility
put into the care or protection of someone
remove oneself from an association with or participation in
produce as a result or residue
make a possibility or provide opportunity for; permit to be attainable or cause to remain
act or be so as to become in a specified state
have left or have as a remainder