unfinished vs unended

unfinished and unended both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unfinished	No	Yes	No	No
unended	No	Yes	No	No

unfinished (adjective)	unended (adjective)
not brought to an end or conclusion	not ended; lacking an end or conclusion
not brought to the desired final state
lacking a surface finish such as paint