unscripted vs unwritten

unscripted and unwritten both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unscripted	No	Yes	No	No
unwritten	No	Yes	No	No

unscripted (adjective)	unwritten (adjective)
not furnished with or using a script	based on custom rather than documentation
	using speech rather than writing
	said or done without having been planned or written in advance