prognosticate vs read

prognosticate is not a noun while read is a noun.

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

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

prognosticate: make a prediction about; tell in advance
read: interpret the significance of, as of palms, tea leaves, intestines, the sky; also of human behavior

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

prognosticate (noun)	read (noun)
	something that is read

prognosticate (verb)	read (verb)
make a prediction about; tell in advance	interpret something that is written or printed
indicate, as with a sign or an omen	look at, interpret, and say out loud something that is written or printed
	interpret the significance of, as of palms, tea leaves, intestines, the sky; also of human behavior
	make sense of a language
	be a student of a certain subject
	obtain data from magnetic tapes or other digital sources
	to hear and understand
	interpret something in a certain way; convey a particular meaning or impression
	indicate a certain reading; of gauges and instruments
	audition for a stage role by reading parts of a role
	have or contain a certain wording or form