unvoluntary vs forced

unvoluntary and forced both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unvoluntary	No	Yes	No	No
forced	No	Yes	No	No

unvoluntary (adjective)	forced (adjective)
not subject to the control of the will	produced by or subjected to forcing
	lacking spontaneity; not natural
	forced or compelled
	made necessary by an unexpected situation or emergency