enter vs re-enter

enter and re-enter both are verbs.

Word	Noun	Adjective	Verb	Adverb
enter	No	No	Yes	No
re-enter	No	No	Yes	No

As verbs, re-enter is a hyponym of enter; that is, re-enter is a word with a more specific, narrower meaning than enter:

enter (verb)	re-enter (verb)
set out on (an enterprise or subject of study)	enter again
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