unstrain vs relax

unstrain and relax both are verbs.

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

As verbs, unstrain and relax are synonyms defined as:

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

unstrain (verb)	relax (verb)
cause to feel relaxed	become less tense, rest, or take one's ease
	cause to feel relaxed
	make less taut
	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