discover vs rediscover

discover and rediscover both are verbs.

Word	Noun	Adjective	Verb	Adverb
discover	No	No	Yes	No
rediscover	No	No	Yes	No

As verbs, rediscover is a hyponym of discover; that is, rediscover is a word with a more specific, narrower meaning than discover:

discover (verb)	rediscover (verb)
get to know or become aware of, usually accidentally	discover again
identify as in botany or biology, for example
make known to the public information that was previously known only to a few people or that was meant to be kept a secret
make a discovery, make a new finding
see for the first time; make a discovery
discover or determine the existence, presence, or fact of by perception with the eyes
find unexpectedly