unforced vs effortless

unforced and effortless both are adjectives.

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

unforced (adjective)	effortless (adjective)
not resulting from undue effort; not forced	requiring or apparently requiring no effort
not brought about by coercion or force	not showing effort or strain