forebode vs augur

forebode is not a noun while augur is a noun.

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

As verbs, augur is a hyponym of forebode; that is, augur is a word with a more specific, narrower meaning than forebode:

Other hyponyms of forebode include read, outguess, second-guess, bet, wager, calculate, forecast, prophesy, vaticinate.

forebode (noun)	augur (noun)
	(ancient Rome) a religious official who interpreted omens to guide public policy

forebode (verb)	augur (verb)
make a prediction about; tell in advance	indicate, as with a sign or an omen
	predict from an omen