oracle vs prophecy

oracle and prophecy both are nouns.

Word	Noun	Adjective	Verb	Adverb
oracle	Yes	No	No	No
prophecy	Yes	No	No	No

As nouns, prophecy is a hypernym of oracle; that is, prophecy is a word with a broader meaning than oracle:

oracle: a prophecy (usually obscure or allegorical) revealed by a priest or priestess; believed to be infallible
prophecy: a prediction uttered under divine inspiration

Other hypernyms of oracle include divination.

oracle (noun)	prophecy (noun)
a shrine where an oracular god is consulted	knowledge of the future (usually said to be obtained from a divine source)
a prophecy (usually obscure or allegorical) revealed by a priest or priestess; believed to be infallible	a prediction uttered under divine inspiration
an authoritative person who divines the future