relax vs unwind

relax and unwind both are verbs.

Word	Noun	Adjective	Verb	Adverb
relax	No	No	Yes	No
unwind	No	No	Yes	No

As verbs, relax and unwind are synonyms defined as:

Other synonyms of relax include decompress, loosen up, slow down, unbend.

As verbs, relax and unwind are synonyms defined as:

Other synonyms of relax include loosen up, make relaxed, unlax, unstrain.

relax (verb)	unwind (verb)
become less tense, rest, or take one's ease	become less tense, rest, or take one's ease
cause to feel relaxed	cause to feel relaxed
make less taut	separate the tangles of
become loose or looser or less tight	reverse the winding or twisting of
make less active or fast
become less severe or strict
make less severe or strict
become less tense, less formal, or less restrained, and assume a friendlier manner