enter vs entry

enter is not a noun while entry is a noun.

Word	Noun	Adjective	Verb	Adverb
enter	No	No	Yes	No
entry	Yes	No	No	No

enter (noun)	entry (noun)
	the act of entering
	the act of beginning something new
	something that provides access (to get in or get out)
	something (manuscripts or architectural plans and models or estimates or works of art of all genres etc.) submitted for the judgment of others (as in a competition)
	an item inserted in a written record
	a written record of a commercial transaction

enter (verb)	entry (verb)
set out on (an enterprise or subject of study)
make a record of; set down in permanent form
become a participant; be involved in
put or introduce into something
come on stage
to come or go into
take on duties or office
register formally as a participant or member
be or play a part of or in