The difference between Discover and Reveal

When used as verbs, discover means to find or learn something for the first time, whereas reveal means to uncover.

Reveal is also noun with the meaning: the outer side of a window or door frame.

check bellow for the other definitions of Discover and Reveal

Discover as a verb:

To find or learn something for the first time.

Examples:

"Turning the corner, I discovered a lovely little shop. I discovered that they sold widgets."
Discover as a verb (transitive, obsolete):

To remove the cover from; to uncover (a head, building etc.).
Discover as a verb (transitive, now, rare):

To expose, uncover.

Examples:

"The gust of wind discovered a bone in the sand."
Discover as a verb (transitive, chess):

To create by moving a piece out of another piece's line of attack.

Examples:

"This move discovers an attack on a vital pawn."
Discover as a verb (transitive, archaic):

To reveal (information); to divulge, make known.

Examples:

"I discovered my plans to the rest of the team."
Discover as a verb (transitive, obsolete):

To reconnoitre, explore (an area).
Discover as a verb (obsolete):

To manifest without design; to show; to exhibit.

Reveal as a noun:

The outer side of a window or door frame; the jamb.
Reveal as a noun (cinematography, comedy):

A revelation; an uncovering of what was hidden.

Examples:

"The comedian had been telling us about his sleep being disturbed by noise. Then came the reveal: he was sleeping on a bed in a department store."
Reveal as a noun (chiefly, UK, Australia, NZ, obsolete in the US):

The side of an opening for a window, doorway, or the like, between the door frame or window frame and the outer surface of the wall; or, where the opening is not filled with a door, etc., the whole thickness of the wall; the jamb.

Reveal as a verb (transitive):

To uncover; to show and display that which was hidden.
Reveal as a verb (transitive):

To communicate that which could not be known or discovered without divine or supernatural instruction.