foreboding vs prognostic

foreboding and prognostic both are nouns.

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

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

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

foreboding (noun)	prognostic (noun)
an unfavorable omen	a sign of something about to happen
a feeling of evil to come

foreboding (adjective)	prognostic (adjective)
ominously prophetic	of or relating to prediction; having value for making predictions