auspex vs oracle

auspex and oracle both are nouns.

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

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

auspex: (ancient Rome) a religious official who interpreted omens to guide public policy
oracle: an authoritative person who divines the future

Other hypernyms of auspex include prophesier, prophet, seer, vaticinator.

auspex (noun)	oracle (noun)
(ancient Rome) a religious official who interpreted omens to guide public policy	a shrine where an oracular god is consulted
	a prophecy (usually obscure or allegorical) revealed by a priest or priestess; believed to be infallible
	an authoritative person who divines the future