enter vs entrant

enter is not a noun while entrant is a noun.

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

enter (noun)	entrant (noun)
	a commodity that enters competition with established merchandise
	one who enters a competition
	any new participant in some activity
	someone who enters

enter (verb)	entrant (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