auspicate vs forecast

auspicate is not a noun while forecast is a noun.

Word	Noun	Adjective	Verb	Adverb
auspicate	No	No	Yes	No
forecast	Yes	No	Yes	No

As verbs, auspicate and forecast are synonyms defined as:

Other synonyms of auspicate include augur, betoken, bode, foreshadow, foretell, omen, portend, predict, prefigure, presage, prognosticate.

auspicate (noun)	forecast (noun)
	a prediction about how something (as the weather) will develop

auspicate (verb)	forecast (verb)
commence in a manner calculated to bring good luck	judge to be probable
indicate, as with a sign or an omen	predict in advance
	indicate, as with a sign or an omen