bubble vs effervesce

bubble is a noun but effervesce is not a noun.

Word	Noun	Adjective	Verb	Adverb
bubble	Yes	No	Yes	No
effervesce	No	No	Yes	No

As verbs, effervesce is a hyponym of bubble; that is, effervesce is a word with a more specific, narrower meaning than bubble:

Other hyponyms of bubble include fizz, foam, form bubbles, froth, sparkle.

bubble (noun)	effervesce (noun)
a dome-shaped covering made of transparent glass or plastic
an impracticable and illusory idea
a speculative scheme that depends on unstable factors that the planner cannot control
a hollow globule of gas (e.g., air or carbon dioxide)

bubble (verb)	effervesce (verb)
expel gas from the stomach	become bubbly or frothy or foaming
form, produce, or emit bubbles
cause to form bubbles
rise in bubbles or as if in bubbles
flow in an irregular current with a bubbling noise