anticlimactic vs anticlimax

anticlimactic is not a noun while anticlimax is a noun.

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

anticlimactic (noun)	anticlimax (noun)
	a change from a serious subject to a disappointing one
	a disappointing decline after a previous rise

anticlimactic (adjective)	anticlimax (adjective)
coming after the climax especially of a dramatic or narrative plot
of or relating to a sudden change from an impressive to a ludicrous style