listener vs audience

listener and audience both are nouns.

Word	Noun	Adjective	Verb	Adverb
listener	Yes	No	No	No
audience	Yes	No	No	No

listener (noun)	audience (noun)
someone who listens attentively	a conference (usually with someone important)
	a gathering of spectators or listeners at a (usually public) performance
	the part of the general public interested in a source of information, entertainment, or a product/service
	an opportunity to state your case and be heard