unstrain vs unbend

unstrain and unbend both are verbs.

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

As verbs, unbend is a hyponym of unstrain; that is, unbend is a word with a more specific, narrower meaning than unstrain:

unstrain (verb)	unbend (verb)
cause to feel relaxed	release from mental strain, tension, or formality
	become less tense, rest, or take one's ease
	make less taut
	free from flexure
	unfasten, as a sail, from a spar or a stay
	straighten up or out; make straight