explore vs re-explore

explore and re-explore both are verbs.

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

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

Other hyponyms of explore include prospect, google, mapquest, beat about, cast about, cast around.

explore (verb)	re-explore (verb)
inquire into	explore anew
travel to or penetrate into
inquire into a subject in detail
examine (organs) for diagnostic purposes