vaticinator vs auspex

vaticinator and auspex both are nouns.

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

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

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

Other hyponyms of vaticinator include augur, prophetess, sibyl.

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