foreboding vs prognostication

foreboding and prognostication both are nouns.

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

As nouns, prognostication is a hypernym of foreboding; that is, prognostication is a word with a broader meaning than foreboding:

Other hypernyms of foreboding include omen, portent, presage, prodigy, prognostic.

foreboding (noun)	prognostication (noun)
an unfavorable omen	knowledge of the future (usually said to be obtained from a divine source)
a feeling of evil to come	a statement made about the future
	a sign of something about to happen

foreboding (adjective)	prognostication (adjective)
ominously prophetic