soothsaying vs vaticination

soothsaying and vaticination both are nouns.

Word	Noun	Adjective	Verb	Adverb
soothsaying	Yes	No	No	No
vaticination	Yes	No	No	No

As nouns, vaticination is a hypernym of soothsaying; that is, vaticination is a word with a broader meaning than soothsaying:

soothsaying: the art or gift of prophecy (or the pretense of prophecy) by supernatural means
vaticination: knowledge of the future (usually said to be obtained from a divine source)

Other hypernyms of soothsaying include prognostication, prophecy.

soothsaying (noun)	vaticination (noun)
the art or gift of prophecy (or the pretense of prophecy) by supernatural means	knowledge of the future (usually said to be obtained from a divine source)