plug vs enter

plug is a noun but enter is not a noun.

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

plug (noun)	enter (noun)
an old or over-worked horse
blockage consisting of an object designed to fill a hole tightly
an upright hydrant for drawing water to use in fighting a fire
electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
an electrical device with two or three pins that is inserted in a socket to make an electrical connection
blatant or sensational promotion
a wad of something chewable as tobacco

plug (verb)	enter (verb)
persist in working hard	set out on (an enterprise or subject of study)
insert as a plug	make a record of; set down in permanent form
insert a plug into	become a participant; be involved in
replace the center of a coin with a baser metal	put or introduce into something
make a plug for; praise the qualities or in order to sell or promote	come on stage
deliver a quick blow to	to come or go into
fill or close tightly with or as if with a plug	take on duties or office
	register formally as a participant or member
	be or play a part of or in