finale vs finis

finale and finis both are nouns.

Word	Noun	Adjective	Verb	Adverb
finale	Yes	No	No	No
finis	Yes	No	No	No

As nouns, finale and finis are synonyms defined as:

Other synonyms of finale include close, closing curtain.

As nouns, finale and finis are synonyms defined as:

Other synonyms of finale include close, conclusion, finish, last, stopping point.

finale (noun)	finis (noun)
the concluding part of any performance	the concluding part of any performance
the closing section of a musical composition	the temporal end; the concluding time
the temporal end; the concluding time