The difference between Make known and Reveal

When used as verbs, make known means to announce (some information) generally, 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 Make known and Reveal

Make known as a verb (transitive):

To announce (some information) generally.

Examples:

"The decision was made known when it appeared on the evening news."
Make known as a verb (transitive):

To disclose (a secret).

Examples:

"I wouldn't make this known to anyone else, if I were you."

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.