opportunity vs audience

opportunity and audience both are nouns.

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

As nouns, audience is a hyponym of opportunity; that is, audience is a word with a more specific, narrower meaning than opportunity:

opportunity (noun)	audience (noun)
a possibility due to a favorable combination of circumstances	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