undo vs unscramble

undo and unscramble both are verbs.

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

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

undo: cancel, annul, or reverse an action or its effect
unscramble: become or cause to become undone by separating the fibers or threads of

undo (verb)	unscramble (verb)
cancel, annul, or reverse an action or its effect	make intelligible
cause to become loose	become or cause to become undone by separating the fibers or threads of
remove the outer cover or wrapping of
deprive of certain characteristics
cause the ruin or downfall of