prognosticate vs pretend

prognosticate is not a noun while pretend is a noun.

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

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

Other hypernyms of prognosticate include guess, hazard, venture.

prognosticate (noun)	pretend (noun)
	the enactment of a pretense

prognosticate (adjective)	pretend (adjective)
	imagined as in a play

prognosticate (verb)	pretend (verb)
make a prediction about; tell in advance	make believe with the intent to deceive
indicate, as with a sign or an omen	represent fictitiously, as in a play, or pretend to be or act like
	put forward, of a guess, in spite of possible refutation
	state insincerely
	behave unnaturally or affectedly
	put forward a claim and assert right or possession of