re-explore vs explore

re-explore and explore both are verbs.

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

As verbs, explore is a hypernym of re-explore; that is, explore is a word with a broader meaning than re-explore:

Other hypernyms of re-explore include research, search.

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