audience vs opportunity

audience and opportunity both are nouns.

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

As nouns, opportunity is a hypernym of audience; that is, opportunity is a word with a broader meaning than audience:

Other hypernyms of audience include chance.

audience (noun)	opportunity (noun)
a conference (usually with someone important)	a possibility due to a favorable combination of circumstances
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