unwind vs relax

unwind and relax both are verbs.

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

As verbs, unwind and relax are synonyms defined as:

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

As verbs, unwind and relax are synonyms defined as:

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

unwind (verb)	relax (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
separate the tangles of	make less taut
reverse the winding or twisting of	become loose or looser or less tight
	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