unstrain vs unwind

unstrain and unwind both are verbs.

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

As verbs, unstrain and unwind are synonyms defined as:

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

unstrain (verb)	unwind (verb)
cause to feel relaxed	become less tense, rest, or take one's ease
	cause to feel relaxed
	separate the tangles of
	reverse the winding or twisting of