effervescent vs sparkling

effervescent is not a noun while sparkling is a noun.

Word	Noun	Adjective	Verb	Adverb
effervescent	No	Yes	No	No
sparkling	Yes	Yes	No	No

As adjectives, effervescent and sparkling are synonyms defined as:

effervescent and sparkling: used of wines and waters; charged naturally or artificially with carbon dioxide

effervescent (noun)	sparkling (noun)
	a rapid change in brightness; a brief spark or flash

effervescent (adjective)	sparkling (adjective)
(of a liquid) giving off bubbles	used of wines and waters; charged naturally or artificially with carbon dioxide
used of wines and waters; charged naturally or artificially with carbon dioxide	shining with brilliant points of light like stars
marked by high spirits or excitement