closing vs anticlimax

closing and anticlimax both are nouns.

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

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

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

closing (noun)	anticlimax (noun)
termination of operations	a change from a serious subject to a disappointing one
the act of closing something	a disappointing decline after a previous rise
a concluding action
approaching a particular destination; a coming closer; a narrowing of a gap
the last section of a communication

closing (adjective)	anticlimax (adjective)
final or ending