prognosticate vs predict

prognosticate and predict both are verbs.

Word	Noun	Adjective	Verb	Adverb
prognosticate	No	No	Yes	No
predict	No	No	Yes	No

As verbs, prognosticate and predict are synonyms defined as:

Other synonyms of prognosticate include anticipate, call, forebode, foretell, promise.

As verbs, prognosticate and predict are synonyms defined as:

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

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