unstrained vs unforced

unstrained and unforced both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unstrained	No	Yes	No	No
unforced	No	Yes	No	No

As adjectives, unstrained and unforced are synonyms defined as:

unstrained (adjective)	unforced (adjective)
not resulting from undue effort; not forced	not resulting from undue effort; not forced
not placed under psychological stress	not brought about by coercion or force