closing vs finale

closing and finale both are nouns.

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

As nouns, finale is a hyponym of closing; that is, finale is a word with a more specific, narrower meaning than closing:

Other hyponyms of closing include anticlimax, bathos, epilog, epilogue, epilog, epilogue, peroration, coda.

closing (noun)	finale (noun)
termination of operations	the concluding part of any performance
the act of closing something	the closing section of a musical composition
a concluding action	the temporal end; the concluding time
approaching a particular destination; a coming closer; a narrowing of a gap
the last section of a communication

closing (adjective)	finale (adjective)
final or ending