prognostication vs prognostic

prognostication and prognostic both are nouns.

Word	Noun	Adjective	Verb	Adverb
prognostication	Yes	No	No	No
prognostic	Yes	Yes	No	No

As nouns, prognostication and prognostic are synonyms defined as:

Other synonyms of prognostication include omen, portent, presage, prodigy.

prognostication (noun)	prognostic (noun)
knowledge of the future (usually said to be obtained from a divine source)	a sign of something about to happen
a statement made about the future
a sign of something about to happen

prognostication (adjective)	prognostic (adjective)
	of or relating to prediction; having value for making predictions