enthusiasm vs ebullience

enthusiasm and ebullience both are nouns.

Word	Noun	Adjective	Verb	Adverb
enthusiasm	Yes	No	No	No
ebullience	Yes	No	No	No

As nouns, enthusiasm and ebullience are synonyms defined as:

Other synonyms of enthusiasm include exuberance.

enthusiasm (noun)	ebullience (noun)
overflowing with eager enjoyment or approval	overflowing with eager enjoyment or approval
a lively interest
a feeling of excitement