sandwich vs enter

sandwich is a noun but enter is not a noun.

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

As verbs, enter is a hypernym of sandwich; that is, enter is a word with a broader meaning than sandwich:

Other hypernyms of sandwich include infix, insert, introduce.

sandwich (noun)	enter (noun)
two (or more) slices of bread with a filling between them

sandwich (verb)	enter (verb)
insert or squeeze tightly between two people or objects	set out on (an enterprise or subject of study)
make into a sandwich	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