undo vs uncover

undo and uncover both are verbs.

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

As verbs, uncover is a hypernym of undo; that is, uncover is a word with a broader meaning than undo:

Other hypernyms of undo include expose.

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