frothiness vs effervescence

frothiness and effervescence both are nouns.

Word	Noun	Adjective	Verb	Adverb
frothiness	Yes	No	No	No
effervescence	Yes	No	No	No

As nouns, frothiness and effervescence are synonyms defined as:

Other synonyms of frothiness include bubbliness.

frothiness (noun)	effervescence (noun)
the property of giving off bubbles	the property of giving off bubbles
	the process of bubbling as gas escapes