Rewind vs. Unwind

Rewind and Unwind Definitions
Rewind
To wind again or anew
Rewound the thread on the spool.
Unwind
To reverse the winding or twisting of
Unwind a ball of yarn.
Rewind
To reverse the winding of (audiotape, videotape, or film).
Unwind
To separate the tangled parts of; disentangle.
Rewind
To reverse the playing of (an audio or video recording).
Unwind
To free (someone) of nervous tension or pent-up energy.
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Rewind
To rewind an audiotape or other linear recording.
Unwind
(Business) To back off from (a stated policy or financial commitment)
“The US was preparing to unwind its asset purchase programme as the economy picked up” (Elaine Moore).
Rewind
To be rewound
Let the tape rewind to the beginning.
Unwind
To become unwound.
Rewind
To return to an earlier time or stage in a sequence of events.
Unwind
To become free of nervous tension; relax
Liked to unwind with a cocktail before dinner.
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Rewind
The act or process of rewinding or being rewound.
Unwind
(transitive) To separate (something that is wound up)
To unwind a ball of yarn
Could you unwind about a foot of ribbon so I can finish the package?
Rewind
A control mechanism for rewinding tape or film, for example.
Unwind
To disentangle
Rewind
To wind (something) again.
Unwind
To relax; to chill out; to rest and become relieved of stress
After work, I like to unwind by smoking a pipe while reading the paper.
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Rewind
To wind (something) back, now especially of cassette or video tape, CD, DVD etc.; to go back on a video or audio recording.
Unwind
(intransitive) To be or become unwound; to be capable of being unwound or untwisted.
Rewind
(figurative) To go back or think back to a previous moment or place, or a previous point in a discourse.
Unwind
To close out a position, especially a complicated position.
Rewind
The act of rewinding.
Unwind
To undo something.
Rewind
A button or other mechanism for rewinding.
Unwind
To analyse (a call stack) so as to generate a stack trace etc.
Unwind
Any mechanism or operation that unwinds something.
Unwind
To wind off; to loose or separate, as what or convolved; to untwist; to untwine; as, to unwind thread; to unwind a ball of yarn.
Unwind
To disentangle.
Unwind
To be or become unwound; to be capable of being unwound or untwisted.
Unwind
Reverse the winding or twisting of;
Unwind a ball of yarn
Unwind
Separate the tangles of
Unwind
Become less tense, rest, or take one's ease;
He relaxed in the hot tub
Let's all relax after a hard day's work
Unwind
Cause to feel relaxed;
A hot bath always relaxes me