bet vs prognosticate

bet is a noun but prognosticate is not a noun.

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

As verbs, prognosticate is a hypernym of bet; that is, prognosticate is a word with a broader meaning than bet:

Other hypernyms of bet include anticipate, call, forebode, foretell, predict, promise.

bet (noun)	prognosticate (noun)
the act of gambling
the money risked on a gamble

bet (verb)	prognosticate (verb)
have faith or confidence in	make a prediction about; tell in advance
maintain with or as if with a bet	indicate, as with a sign or an omen
stake on the outcome of an issue