bouncy vs bouncing

bouncy is not a noun while bouncing is a noun.

Word	Noun	Adjective	Verb	Adverb
bouncy	No	Yes	No	No
bouncing	Yes	Yes	No	No

As adjectives, bouncy and bouncing are synonyms defined as:

Other synonyms of bouncy include peppy, spirited, zippy.

bouncy (noun)	bouncing (noun)
	rebounding from an impact (or series of impacts)

bouncy (adjective)	bouncing (adjective)
elastic; rebounds readily	vigorously healthy
marked by lively action	marked by lively action