presage vs augur

presage and augur both are nouns.

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

As verbs, presage and augur are synonyms defined as:

presage (noun)	augur (noun)
a sign of something about to happen	(ancient Rome) a religious official who interpreted omens to guide public policy
a foreboding about what is about to happen

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