augur vs vaticinator

augur and vaticinator both are nouns.

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

As nouns, vaticinator is a hypernym of augur; that is, vaticinator is a word with a broader meaning than augur:

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

Other hypernyms of augur include oracle, prophesier, prophet, seer.

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

augur (verb)	vaticinator (verb)
indicate, as with a sign or an omen
predict from an omen