unscheduled vs forced

unscheduled and forced both are adjectives.

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

unscheduled (adjective)	forced (adjective)
not scheduled or not on a regular schedule	produced by or subjected to forcing
	lacking spontaneity; not natural
	forced or compelled
	made necessary by an unexpected situation or emergency