uncover vs undo

uncover and undo both are verbs.

Word	Noun	Adjective	Verb	Adverb
uncover	No	No	Yes	No
undo	No	No	Yes	No

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

Other hyponyms of uncover include unwrap, undrape, unclothe, bare, unmask, unveil.

uncover (verb)	undo (verb)
make known to the public information that was previously known only to a few people or that was meant to be kept a secret	cancel, annul, or reverse an action or its effect
remove all or part of one's clothes to show one's body	cause to become loose
reveal to view as by removing a cover	remove the outer cover or wrapping of
	deprive of certain characteristics
	cause the ruin or downfall of