foaming vs effervescing

foaming and effervescing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
foaming	No	Yes	No	No
effervescing	No	Yes	No	No

As adjectives, foaming and effervescing are synonyms defined as:

foaming and effervescing: emitting or filled with bubbles as from carbonation or fermentation

Other synonyms of foaming include bubbling, bubbly, foamy, frothy, spumy.

foaming (adjective)	effervescing (adjective)
emitting or filled with bubbles as from carbonation or fermentation	emitting or filled with bubbles as from carbonation or fermentation
producing or covered with lathery sweat or saliva from exhaustion or disease