augur vs prophesier

augur and prophesier both are nouns.

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

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

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

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

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

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